25355253

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 20263947

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 109, 133, 159, 209, 231, 327, 371, 399, 583, 627, 763, 1007, 1113, 1199, 1463, 1749, 2071, 2289, 3021, 3597, 4081, 4389, 5777, 6213, 7049, 8393, 11077, 12243, 14497, 17331, 21147, 22781, 25179, 33231, 40439, 43491, 63547, 68343, 77539, 109763, 121317, 159467, 190641, 232617, 329289, 444829, 478401, 768341, 1207393, 1334487, 2305023, 3622179, 8451751, 25355253]

約数ペア:

[(1, 25355253), (3, 8451751), (7, 3622179), (11, 2305023), (19, 1334487), (21, 1207393), (33, 768341), (53, 478401), (57, 444829), (77, 329289), (109, 232617), (133, 190641), (159, 159467), (209, 121317), (231, 109763), (327, 77539), (371, 68343), (399, 63547), (583, 43491), (627, 40439), (763, 33231), (1007, 25179), (1113, 22781), (1199, 21147), (1463, 17331), (1749, 14497), (2071, 12243), (2289, 11077), (3021, 8393), (3597, 7049), (4081, 6213), (4389, 5777)]