25370345

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 42287616

約数和(自身を除く): 16917271

約数列:

[1, 5, 7, 11, 13, 35, 37, 55, 65, 77, 91, 137, 143, 185, 259, 385, 407, 455, 481, 685, 715, 959, 1001, 1295, 1507, 1781, 2035, 2405, 2849, 3367, 4795, 5005, 5069, 5291, 7535, 8905, 10549, 12467, 14245, 16835, 19591, 25345, 26455, 35483, 37037, 52745, 55759, 62335, 65897, 97955, 137137, 177415, 185185, 278795, 329485, 390313, 461279, 685685, 724867, 1951565, 2306395, 3624335, 5074069, 25370345]

約数ペア:

[(1, 25370345), (5, 5074069), (7, 3624335), (11, 2306395), (13, 1951565), (35, 724867), (37, 685685), (55, 461279), (65, 390313), (77, 329485), (91, 278795), (137, 185185), (143, 177415), (185, 137137), (259, 97955), (385, 65897), (407, 62335), (455, 55759), (481, 52745), (685, 37037), (715, 35483), (959, 26455), (1001, 25345), (1295, 19591), (1507, 16835), (1781, 14245), (2035, 12467), (2405, 10549), (2849, 8905), (3367, 7535), (4795, 5291), (5005, 5069)]