245576916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16927}}^1$

素因数の和:16981

約数の個数: 72

約数和(自身を含む): 690120704

約数和(自身を除く): 444543788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 16927, 33854, 50781, 67708, 101562, 152343, 203124, 220051, 304686, 440102, 524737, 609372, 660153, 880204, 1049474, 1320306, 1574211, 1980459, 2098948, 2640612, 3148422, 3960918, 4722633, 6296844, 6821581, 7921836, 9445266, 13643162, 18890532, 20464743, 27286324, 40929486, 61394229, 81858972, 122788458, 245576916]

約数ペア:

[(1, 245576916), (2, 122788458), (3, 81858972), (4, 61394229), (6, 40929486), (9, 27286324), (12, 20464743), (13, 18890532), (18, 13643162), (26, 9445266), (31, 7921836), (36, 6821581), (39, 6296844), (52, 4722633), (62, 3960918), (78, 3148422), (93, 2640612), (117, 2098948), (124, 1980459), (156, 1574211), (186, 1320306), (234, 1049474), (279, 880204), (372, 660153), (403, 609372), (468, 524737), (558, 440102), (806, 304686), (1116, 220051), (1209, 203124), (1612, 152343), (2418, 101562), (3627, 67708), (4836, 50781), (7254, 33854), (14508, 16927)]