621452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 1340640

約数和(自身を除く): 719188

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 37, 38, 52, 68, 74, 76, 148, 221, 247, 323, 442, 481, 494, 629, 646, 703, 884, 962, 988, 1258, 1292, 1406, 1924, 2516, 2812, 4199, 8177, 8398, 9139, 11951, 16354, 16796, 18278, 23902, 32708, 36556, 47804, 155363, 310726, 621452]

約数ペア:

[(1, 621452), (2, 310726), (4, 155363), (13, 47804), (17, 36556), (19, 32708), (26, 23902), (34, 18278), (37, 16796), (38, 16354), (52, 11951), (68, 9139), (74, 8398), (76, 8177), (148, 4199), (221, 2812), (247, 2516), (323, 1924), (442, 1406), (481, 1292), (494, 1258), (629, 988), (646, 962), (703, 884)]