388751116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 747442080

約数和(自身を除く): 358690964

約数列:

[1, 2, 4, 13, 26, 52, 107, 109, 214, 218, 428, 436, 641, 1282, 1391, 1417, 2564, 2782, 2834, 5564, 5668, 8333, 11663, 16666, 23326, 33332, 46652, 68587, 69869, 137174, 139738, 151619, 274348, 279476, 303238, 606476, 891631, 908297, 1783262, 1816594, 3566524, 3633188, 7475983, 14951966, 29903932, 97187779, 194375558, 388751116]

約数ペア:

[(1, 388751116), (2, 194375558), (4, 97187779), (13, 29903932), (26, 14951966), (52, 7475983), (107, 3633188), (109, 3566524), (214, 1816594), (218, 1783262), (428, 908297), (436, 891631), (641, 606476), (1282, 303238), (1391, 279476), (1417, 274348), (2564, 151619), (2782, 139738), (2834, 137174), (5564, 69869), (5668, 68587), (8333, 46652), (11663, 33332), (16666, 23326)]