15871336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 18965144

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 191, 221, 376, 382, 442, 611, 764, 799, 884, 1222, 1528, 1598, 1768, 2444, 2483, 3196, 3247, 4888, 4966, 6392, 6494, 8977, 9932, 10387, 12988, 17954, 19864, 20774, 25976, 35908, 41548, 42211, 71816, 83096, 84422, 116701, 152609, 168844, 233402, 305218, 337688, 466804, 610436, 933608, 1220872, 1983917, 3967834, 7935668, 15871336]

約数ペア:

[(1, 15871336), (2, 7935668), (4, 3967834), (8, 1983917), (13, 1220872), (17, 933608), (26, 610436), (34, 466804), (47, 337688), (52, 305218), (68, 233402), (94, 168844), (104, 152609), (136, 116701), (188, 84422), (191, 83096), (221, 71816), (376, 42211), (382, 41548), (442, 35908), (611, 25976), (764, 20774), (799, 19864), (884, 17954), (1222, 12988), (1528, 10387), (1598, 9932), (1768, 8977), (2444, 6494), (2483, 6392), (3196, 4966), (3247, 4888)]