81784488

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 209401920

約数和(自身を除く): 127617432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 181, 201, 268, 281, 362, 402, 536, 543, 562, 724, 804, 843, 1086, 1124, 1448, 1608, 1686, 2172, 2248, 3372, 4344, 6744, 12127, 18827, 24254, 36381, 37654, 48508, 50861, 56481, 72762, 75308, 97016, 101722, 112962, 145524, 150616, 152583, 203444, 225924, 291048, 305166, 406888, 451848, 610332, 1220664, 3407687, 6815374, 10223061, 13630748, 20446122, 27261496, 40892244, 81784488]

約数ペア:

[(1, 81784488), (2, 40892244), (3, 27261496), (4, 20446122), (6, 13630748), (8, 10223061), (12, 6815374), (24, 3407687), (67, 1220664), (134, 610332), (181, 451848), (201, 406888), (268, 305166), (281, 291048), (362, 225924), (402, 203444), (536, 152583), (543, 150616), (562, 145524), (724, 112962), (804, 101722), (843, 97016), (1086, 75308), (1124, 72762), (1448, 56481), (1608, 50861), (1686, 48508), (2172, 37654), (2248, 36381), (3372, 24254), (4344, 18827), (6744, 12127)]