25291448

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 59640000

約数和(自身を除く): 34348552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 343, 364, 392, 637, 686, 709, 728, 1274, 1372, 1418, 2548, 2744, 2836, 4459, 4963, 5096, 5672, 8918, 9217, 9926, 17836, 18434, 19852, 34741, 35672, 36868, 39704, 64519, 69482, 73736, 129038, 138964, 243187, 258076, 277928, 451633, 486374, 516152, 903266, 972748, 1806532, 1945496, 3161431, 3613064, 6322862, 12645724, 25291448]

約数ペア:

[(1, 25291448), (2, 12645724), (4, 6322862), (7, 3613064), (8, 3161431), (13, 1945496), (14, 1806532), (26, 972748), (28, 903266), (49, 516152), (52, 486374), (56, 451633), (91, 277928), (98, 258076), (104, 243187), (182, 138964), (196, 129038), (343, 73736), (364, 69482), (392, 64519), (637, 39704), (686, 36868), (709, 35672), (728, 34741), (1274, 19852), (1372, 18434), (1418, 17836), (2548, 9926), (2744, 9217), (2836, 8918), (4459, 5672), (4963, 5096)]