64520748

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 170548560

約数和(自身を除く): 106027812

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 59, 74, 111, 118, 148, 177, 222, 236, 333, 354, 444, 531, 666, 708, 821, 1062, 1332, 1642, 2124, 2183, 2463, 3284, 4366, 4926, 6549, 7389, 8732, 9852, 13098, 14778, 19647, 26196, 29556, 30377, 39294, 48439, 60754, 78588, 91131, 96878, 121508, 145317, 182262, 193756, 273393, 290634, 364524, 435951, 546786, 581268, 871902, 1093572, 1743804, 1792243, 3584486, 5376729, 7168972, 10753458, 16130187, 21506916, 32260374, 64520748]

約数ペア:

[(1, 64520748), (2, 32260374), (3, 21506916), (4, 16130187), (6, 10753458), (9, 7168972), (12, 5376729), (18, 3584486), (36, 1792243), (37, 1743804), (59, 1093572), (74, 871902), (111, 581268), (118, 546786), (148, 435951), (177, 364524), (222, 290634), (236, 273393), (333, 193756), (354, 182262), (444, 145317), (531, 121508), (666, 96878), (708, 91131), (821, 78588), (1062, 60754), (1332, 48439), (1642, 39294), (2124, 30377), (2183, 29556), (2463, 26196), (3284, 19647), (4366, 14778), (4926, 13098), (6549, 9852), (7389, 8732)]