645246264

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{15787}}^1$

素因数の和:15940

約数の個数: 64

約数和(自身を含む): 1750573440

約数和(自身を除く): 1105327176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 131, 156, 262, 312, 393, 524, 786, 1048, 1572, 1703, 3144, 3406, 5109, 6812, 10218, 13624, 15787, 20436, 31574, 40872, 47361, 63148, 94722, 126296, 189444, 205231, 378888, 410462, 615693, 820924, 1231386, 1641848, 2068097, 2462772, 4136194, 4925544, 6204291, 8272388, 12408582, 16544776, 24817164, 26885261, 49634328, 53770522, 80655783, 107541044, 161311566, 215082088, 322623132, 645246264]

約数ペア:

[(1, 645246264), (2, 322623132), (3, 215082088), (4, 161311566), (6, 107541044), (8, 80655783), (12, 53770522), (13, 49634328), (24, 26885261), (26, 24817164), (39, 16544776), (52, 12408582), (78, 8272388), (104, 6204291), (131, 4925544), (156, 4136194), (262, 2462772), (312, 2068097), (393, 1641848), (524, 1231386), (786, 820924), (1048, 615693), (1572, 410462), (1703, 378888), (3144, 205231), (3406, 189444), (5109, 126296), (6812, 94722), (10218, 63148), (13624, 47361), (15787, 40872), (20436, 31574)]