25739456

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 56

約数和(自身を含む): 53644800

約数和(自身を除く): 27905344

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 172, 188, 199, 344, 376, 398, 688, 752, 796, 1376, 1504, 1592, 2021, 2752, 3008, 3184, 4042, 6368, 8084, 8557, 9353, 12736, 16168, 17114, 18706, 32336, 34228, 37412, 64672, 68456, 74824, 129344, 136912, 149648, 273824, 299296, 402179, 547648, 598592, 804358, 1608716, 3217432, 6434864, 12869728, 25739456]

約数ペア:

[(1, 25739456), (2, 12869728), (4, 6434864), (8, 3217432), (16, 1608716), (32, 804358), (43, 598592), (47, 547648), (64, 402179), (86, 299296), (94, 273824), (172, 149648), (188, 136912), (199, 129344), (344, 74824), (376, 68456), (398, 64672), (688, 37412), (752, 34228), (796, 32336), (1376, 18706), (1504, 17114), (1592, 16168), (2021, 12736), (2752, 9353), (3008, 8557), (3184, 8084), (4042, 6368)]