64490868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3361}}^1$

素因数の和:3425

約数の個数: 72

約数和(自身を含む): 179893896

約数和(自身を除く): 115403028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 1066, 1476, 1599, 2132, 3198, 3361, 4797, 6396, 6722, 9594, 10083, 13444, 19188, 20166, 30249, 40332, 43693, 60498, 87386, 120996, 131079, 137801, 174772, 262158, 275602, 393237, 413403, 524316, 551204, 786474, 826806, 1240209, 1572948, 1653612, 1791413, 2480418, 3582826, 4960836, 5374239, 7165652, 10748478, 16122717, 21496956, 32245434, 64490868]

約数ペア:

[(1, 64490868), (2, 32245434), (3, 21496956), (4, 16122717), (6, 10748478), (9, 7165652), (12, 5374239), (13, 4960836), (18, 3582826), (26, 2480418), (36, 1791413), (39, 1653612), (41, 1572948), (52, 1240209), (78, 826806), (82, 786474), (117, 551204), (123, 524316), (156, 413403), (164, 393237), (234, 275602), (246, 262158), (369, 174772), (468, 137801), (492, 131079), (533, 120996), (738, 87386), (1066, 60498), (1476, 43693), (1599, 40332), (2132, 30249), (3198, 20166), (3361, 19188), (4797, 13444), (6396, 10083), (6722, 9594)]