81001388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 159371520

約数和(自身を除く): 78370132

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 109, 124, 218, 403, 436, 461, 806, 922, 1417, 1612, 1844, 2834, 3379, 5668, 5993, 6758, 11986, 13516, 14291, 23972, 28582, 43927, 50249, 57164, 87854, 100498, 175708, 185783, 200996, 371566, 653237, 743132, 1306474, 1557719, 2612948, 3115438, 6230876, 20250347, 40500694, 81001388]

約数ペア:

[(1, 81001388), (2, 40500694), (4, 20250347), (13, 6230876), (26, 3115438), (31, 2612948), (52, 1557719), (62, 1306474), (109, 743132), (124, 653237), (218, 371566), (403, 200996), (436, 185783), (461, 175708), (806, 100498), (922, 87854), (1417, 57164), (1612, 50249), (1844, 43927), (2834, 28582), (3379, 23972), (5668, 14291), (5993, 13516), (6758, 11986)]