15721212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{563}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 24074628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 179, 358, 537, 563, 716, 1074, 1126, 1689, 2148, 2252, 2327, 3378, 4654, 6756, 6981, 7319, 9308, 13962, 14638, 21957, 27924, 29276, 43914, 87828, 100777, 201554, 302331, 403108, 604662, 1209324, 1310101, 2620202, 3930303, 5240404, 7860606, 15721212]

約数ペア:

[(1, 15721212), (2, 7860606), (3, 5240404), (4, 3930303), (6, 2620202), (12, 1310101), (13, 1209324), (26, 604662), (39, 403108), (52, 302331), (78, 201554), (156, 100777), (179, 87828), (358, 43914), (537, 29276), (563, 27924), (716, 21957), (1074, 14638), (1126, 13962), (1689, 9308), (2148, 7319), (2252, 6981), (2327, 6756), (3378, 4654)]