2781729503

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{9767}}^1$

素因数の和:9887

約数の個数: 32

約数和(自身を含む): 3488348160

約数和(自身を除く): 706618657

約数列:

[1, 7, 23, 29, 61, 161, 203, 427, 667, 1403, 1769, 4669, 9767, 9821, 12383, 40687, 68369, 224641, 283243, 284809, 595787, 1572487, 1982701, 4170509, 6514589, 13703101, 17277823, 45602123, 95921707, 120944761, 397389929, 2781729503]

約数ペア:

[(1, 2781729503), (7, 397389929), (23, 120944761), (29, 95921707), (61, 45602123), (161, 17277823), (203, 13703101), (427, 6514589), (667, 4170509), (1403, 1982701), (1769, 1572487), (4669, 595787), (9767, 284809), (9821, 283243), (12383, 224641), (40687, 68369)]