9902718756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{121661}}^1$

素因数の和:121714

約数の個数: 144

約数和(自身を含む): 31885176960

約数和(自身を除く): 21982458204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 28, 34, 36, 38, 42, 51, 57, 63, 68, 76, 84, 102, 114, 119, 126, 133, 153, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 476, 532, 612, 646, 684, 714, 798, 969, 1071, 1197, 1292, 1428, 1596, 1938, 2142, 2261, 2394, 2907, 3876, 4284, 4522, 4788, 5814, 6783, 9044, 11628, 13566, 20349, 27132, 40698, 81396, 121661, 243322, 364983, 486644, 729966, 851627, 1094949, 1459932, 1703254, 2068237, 2189898, 2311559, 2554881, 3406508, 4136474, 4379796, 4623118, 5109762, 6204711, 6934677, 7664643, 8272948, 9246236, 10219524, 12409422, 13869354, 14477659, 15329286, 16180913, 18614133, 20804031, 24818844, 27738708, 28955318, 30658572, 32361826, 37228266, 39296503, 41608062, 43432977, 48542739, 57910636, 64723652, 74456532, 78593006, 83216124, 86865954, 97085478, 117889509, 130298931, 145628217, 157186012, 173731908, 194170956, 235779018, 260597862, 275075521, 291256434, 353668527, 471558036, 521195724, 550151042, 582512868, 707337054, 825226563, 1100302084, 1414674108, 1650453126, 2475679689, 3300906252, 4951359378, 9902718756]

約数ペア:

[(1, 9902718756), (2, 4951359378), (3, 3300906252), (4, 2475679689), (6, 1650453126), (7, 1414674108), (9, 1100302084), (12, 825226563), (14, 707337054), (17, 582512868), (18, 550151042), (19, 521195724), (21, 471558036), (28, 353668527), (34, 291256434), (36, 275075521), (38, 260597862), (42, 235779018), (51, 194170956), (57, 173731908), (63, 157186012), (68, 145628217), (76, 130298931), (84, 117889509), (102, 97085478), (114, 86865954), (119, 83216124), (126, 78593006), (133, 74456532), (153, 64723652), (171, 57910636), (204, 48542739), (228, 43432977), (238, 41608062), (252, 39296503), (266, 37228266), (306, 32361826), (323, 30658572), (342, 28955318), (357, 27738708), (399, 24818844), (476, 20804031), (532, 18614133), (612, 16180913), (646, 15329286), (684, 14477659), (714, 13869354), (798, 12409422), (969, 10219524), (1071, 9246236), (1197, 8272948), (1292, 7664643), (1428, 6934677), (1596, 6204711), (1938, 5109762), (2142, 4623118), (2261, 4379796), (2394, 4136474), (2907, 3406508), (3876, 2554881), (4284, 2311559), (4522, 2189898), (4788, 2068237), (5814, 1703254), (6783, 1459932), (9044, 1094949), (11628, 851627), (13566, 729966), (20349, 486644), (27132, 364983), (40698, 243322), (81396, 121661)]