321004772

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 660935520

約数和(自身を除く): 339930748

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 121, 134, 209, 242, 268, 418, 484, 521, 737, 836, 1042, 1273, 1474, 2084, 2299, 2546, 2948, 4598, 5092, 5731, 8107, 9196, 9899, 11462, 14003, 16214, 19798, 22924, 28006, 32428, 34907, 39596, 56012, 63041, 69814, 108889, 126082, 139628, 154033, 217778, 252164, 308066, 383977, 435556, 616132, 663233, 767954, 1197779, 1326466, 1535908, 2395558, 2652932, 4223747, 4791116, 7295563, 8447494, 14591126, 16894988, 29182252, 80251193, 160502386, 321004772]

約数ペア:

[(1, 321004772), (2, 160502386), (4, 80251193), (11, 29182252), (19, 16894988), (22, 14591126), (38, 8447494), (44, 7295563), (67, 4791116), (76, 4223747), (121, 2652932), (134, 2395558), (209, 1535908), (242, 1326466), (268, 1197779), (418, 767954), (484, 663233), (521, 616132), (737, 435556), (836, 383977), (1042, 308066), (1273, 252164), (1474, 217778), (2084, 154033), (2299, 139628), (2546, 126082), (2948, 108889), (4598, 69814), (5092, 63041), (5731, 56012), (8107, 39596), (9196, 34907), (9899, 32428), (11462, 28006), (14003, 22924), (16214, 19798)]