15694398725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^2\times {\mathrm{97}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 21430768968

約数和(自身を除く): 5736370243

約数列:

[1, 5, 17, 25, 61, 79, 85, 97, 305, 395, 425, 485, 1037, 1343, 1525, 1649, 1975, 2425, 4819, 5185, 5917, 6241, 6715, 7663, 8245, 24095, 25925, 29585, 31205, 33575, 38315, 41225, 81923, 100589, 106097, 120475, 130271, 147925, 156025, 191575, 380701, 409615, 467443, 502945, 530485, 605377, 651355, 1903505, 2048075, 2337215, 2514725, 2652425, 3026885, 3256775, 6471917, 7946531, 9517525, 10291409, 11686075, 15134425, 32359585, 36927997, 39732655, 51457045, 161797925, 184639985, 198663275, 257285225, 627775949, 923199925, 3138879745, 15694398725]

約数ペア:

[(1, 15694398725), (5, 3138879745), (17, 923199925), (25, 627775949), (61, 257285225), (79, 198663275), (85, 184639985), (97, 161797925), (305, 51457045), (395, 39732655), (425, 36927997), (485, 32359585), (1037, 15134425), (1343, 11686075), (1525, 10291409), (1649, 9517525), (1975, 7946531), (2425, 6471917), (4819, 3256775), (5185, 3026885), (5917, 2652425), (6241, 2514725), (6715, 2337215), (7663, 2048075), (8245, 1903505), (24095, 651355), (25925, 605377), (29585, 530485), (31205, 502945), (33575, 467443), (38315, 409615), (41225, 380701), (81923, 191575), (100589, 156025), (106097, 147925), (120475, 130271)]