25728505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 9730055

約数列:

[1, 5, 11, 37, 47, 55, 185, 235, 269, 407, 517, 1345, 1739, 2035, 2585, 2959, 8695, 9953, 12643, 14795, 19129, 49765, 63215, 95645, 109483, 139073, 467791, 547415, 695365, 2338955, 5145701, 25728505]

約数ペア:

[(1, 25728505), (5, 5145701), (11, 2338955), (37, 695365), (47, 547415), (55, 467791), (185, 139073), (235, 109483), (269, 95645), (407, 63215), (517, 49765), (1345, 19129), (1739, 14795), (2035, 12643), (2585, 9953), (2959, 8695)]