81858972

素因数分解:

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

素因数の和:16978

約数の個数: 48

約数和(自身を含む): 212344832

約数和(自身を除く): 130485860

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 16927, 33854, 50781, 67708, 101562, 203124, 220051, 440102, 524737, 660153, 880204, 1049474, 1320306, 1574211, 2098948, 2640612, 3148422, 6296844, 6821581, 13643162, 20464743, 27286324, 40929486, 81858972]

約数ペア:

[(1, 81858972), (2, 40929486), (3, 27286324), (4, 20464743), (6, 13643162), (12, 6821581), (13, 6296844), (26, 3148422), (31, 2640612), (39, 2098948), (52, 1574211), (62, 1320306), (78, 1049474), (93, 880204), (124, 660153), (156, 524737), (186, 440102), (372, 220051), (403, 203124), (806, 101562), (1209, 67708), (1612, 50781), (2418, 33854), (4836, 16927)]