81321912

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{509}}^1$

素因数の和:845

約数の個数: 96

約数和(自身を含む): 253000800

約数和(自身を除く): 171678888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 317, 504, 509, 634, 951, 1018, 1268, 1527, 1902, 2036, 2219, 2536, 2853, 3054, 3563, 3804, 4072, 4438, 4581, 5706, 6108, 6657, 7126, 7608, 8876, 9162, 10689, 11412, 12216, 13314, 14252, 17752, 18324, 19971, 21378, 22824, 26628, 28504, 32067, 36648, 39942, 42756, 53256, 64134, 79884, 85512, 128268, 159768, 161353, 256536, 322706, 484059, 645412, 968118, 1129471, 1290824, 1452177, 1936236, 2258942, 2904354, 3388413, 3872472, 4517884, 5808708, 6776826, 9035768, 10165239, 11617416, 13553652, 20330478, 27107304, 40660956, 81321912]

約数ペア:

[(1, 81321912), (2, 40660956), (3, 27107304), (4, 20330478), (6, 13553652), (7, 11617416), (8, 10165239), (9, 9035768), (12, 6776826), (14, 5808708), (18, 4517884), (21, 3872472), (24, 3388413), (28, 2904354), (36, 2258942), (42, 1936236), (56, 1452177), (63, 1290824), (72, 1129471), (84, 968118), (126, 645412), (168, 484059), (252, 322706), (317, 256536), (504, 161353), (509, 159768), (634, 128268), (951, 85512), (1018, 79884), (1268, 64134), (1527, 53256), (1902, 42756), (2036, 39942), (2219, 36648), (2536, 32067), (2853, 28504), (3054, 26628), (3563, 22824), (3804, 21378), (4072, 19971), (4438, 18324), (4581, 17752), (5706, 14252), (6108, 13314), (6657, 12216), (7126, 11412), (7608, 10689), (8876, 9162)]