1778421348

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1606

約数の個数: 144

約数和(自身を含む): 5092319232

約数和(自身を除く): 3313897884

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 71, 86, 99, 129, 132, 142, 172, 198, 213, 258, 284, 387, 396, 426, 473, 516, 639, 774, 781, 852, 946, 1278, 1419, 1471, 1548, 1562, 1892, 2343, 2556, 2838, 2942, 3053, 3124, 4257, 4413, 4686, 5676, 5884, 6106, 7029, 8514, 8826, 9159, 9372, 12212, 13239, 14058, 16181, 17028, 17652, 18318, 26478, 27477, 28116, 32362, 33583, 36636, 48543, 52956, 54954, 63253, 64724, 67166, 97086, 100749, 104441, 109908, 126506, 134332, 145629, 189759, 194172, 201498, 208882, 253012, 291258, 302247, 313323, 379518, 402996, 417764, 569277, 582516, 604494, 626646, 695783, 759036, 939969, 1138554, 1148851, 1208988, 1253292, 1391566, 1879938, 2087349, 2277108, 2297702, 2783132, 3446553, 3759876, 4174698, 4490963, 4595404, 6262047, 6893106, 8349396, 8981926, 10339659, 12524094, 13472889, 13786212, 17963852, 20679318, 25048188, 26945778, 40418667, 41358636, 49400593, 53891556, 80837334, 98801186, 148201779, 161674668, 197602372, 296403558, 444605337, 592807116, 889210674, 1778421348]

約数ペア:

[(1, 1778421348), (2, 889210674), (3, 592807116), (4, 444605337), (6, 296403558), (9, 197602372), (11, 161674668), (12, 148201779), (18, 98801186), (22, 80837334), (33, 53891556), (36, 49400593), (43, 41358636), (44, 40418667), (66, 26945778), (71, 25048188), (86, 20679318), (99, 17963852), (129, 13786212), (132, 13472889), (142, 12524094), (172, 10339659), (198, 8981926), (213, 8349396), (258, 6893106), (284, 6262047), (387, 4595404), (396, 4490963), (426, 4174698), (473, 3759876), (516, 3446553), (639, 2783132), (774, 2297702), (781, 2277108), (852, 2087349), (946, 1879938), (1278, 1391566), (1419, 1253292), (1471, 1208988), (1548, 1148851), (1562, 1138554), (1892, 939969), (2343, 759036), (2556, 695783), (2838, 626646), (2942, 604494), (3053, 582516), (3124, 569277), (4257, 417764), (4413, 402996), (4686, 379518), (5676, 313323), (5884, 302247), (6106, 291258), (7029, 253012), (8514, 208882), (8826, 201498), (9159, 194172), (9372, 189759), (12212, 145629), (13239, 134332), (14058, 126506), (16181, 109908), (17028, 104441), (17652, 100749), (18318, 97086), (26478, 67166), (27477, 64724), (28116, 63253), (32362, 54954), (33583, 52956), (36636, 48543)]