64804064

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:580

約数の個数: 72

約数和(自身を含む): 144435312

約数和(自身を除く): 79631248

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 169, 184, 208, 299, 338, 368, 416, 521, 598, 676, 736, 1042, 1196, 1352, 2084, 2392, 2704, 3887, 4168, 4784, 5408, 6773, 7774, 8336, 9568, 11983, 13546, 15548, 16672, 23966, 27092, 31096, 47932, 54184, 62192, 88049, 95864, 108368, 124384, 155779, 176098, 191728, 216736, 311558, 352196, 383456, 623116, 704392, 1246232, 1408784, 2025127, 2492464, 2817568, 4050254, 4984928, 8100508, 16201016, 32402032, 64804064]

約数ペア:

[(1, 64804064), (2, 32402032), (4, 16201016), (8, 8100508), (13, 4984928), (16, 4050254), (23, 2817568), (26, 2492464), (32, 2025127), (46, 1408784), (52, 1246232), (92, 704392), (104, 623116), (169, 383456), (184, 352196), (208, 311558), (299, 216736), (338, 191728), (368, 176098), (416, 155779), (521, 124384), (598, 108368), (676, 95864), (736, 88049), (1042, 62192), (1196, 54184), (1352, 47932), (2084, 31096), (2392, 27092), (2704, 23966), (3887, 16672), (4168, 15548), (4784, 13546), (5408, 11983), (6773, 9568), (7774, 8336)]