25657424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:735

約数の個数: 40

約数和(自身を含む): 53845512

約数和(自身を除く): 28188088

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 293, 421, 586, 842, 1172, 1684, 2344, 3368, 3809, 4688, 5473, 6736, 7618, 10946, 15236, 21892, 30472, 43784, 60944, 87568, 123353, 246706, 493412, 986824, 1603589, 1973648, 3207178, 6414356, 12828712, 25657424]

約数ペア:

[(1, 25657424), (2, 12828712), (4, 6414356), (8, 3207178), (13, 1973648), (16, 1603589), (26, 986824), (52, 493412), (104, 246706), (208, 123353), (293, 87568), (421, 60944), (586, 43784), (842, 30472), (1172, 21892), (1684, 15236), (2344, 10946), (3368, 7618), (3809, 6736), (4688, 5473)]