25620428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:674

約数の個数: 36

約数和(自身を含む): 48997200

約数和(自身を除く): 23376772

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 289, 578, 599, 629, 1156, 1198, 1258, 2396, 2516, 10183, 10693, 20366, 21386, 22163, 40732, 42772, 44326, 88652, 173111, 346222, 376771, 692444, 753542, 1507084, 6405107, 12810214, 25620428]

約数ペア:

[(1, 25620428), (2, 12810214), (4, 6405107), (17, 1507084), (34, 753542), (37, 692444), (68, 376771), (74, 346222), (148, 173111), (289, 88652), (578, 44326), (599, 42772), (629, 40732), (1156, 22163), (1198, 21386), (1258, 20366), (2396, 10693), (2516, 10183)]