218415990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9181}}^1$

素因数の和:9265

約数の個数: 64

約数和(自身を含む): 573838272

約数和(自身を除く): 355422282

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1586, 1830, 2379, 3965, 4758, 7930, 9181, 11895, 18362, 23790, 27543, 45905, 55086, 91810, 119353, 137715, 238706, 275430, 358059, 560041, 596765, 716118, 1120082, 1193530, 1680123, 1790295, 2800205, 3360246, 3580590, 5600410, 7280533, 8400615, 14561066, 16801230, 21841599, 36402665, 43683198, 72805330, 109207995, 218415990]

約数ペア:

[(1, 218415990), (2, 109207995), (3, 72805330), (5, 43683198), (6, 36402665), (10, 21841599), (13, 16801230), (15, 14561066), (26, 8400615), (30, 7280533), (39, 5600410), (61, 3580590), (65, 3360246), (78, 2800205), (122, 1790295), (130, 1680123), (183, 1193530), (195, 1120082), (305, 716118), (366, 596765), (390, 560041), (610, 358059), (793, 275430), (915, 238706), (1586, 137715), (1830, 119353), (2379, 91810), (3965, 55086), (4758, 45905), (7930, 27543), (9181, 23790), (11895, 18362)]