6721918567

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{21269}}^1$

素因数の和:21463

約数の個数: 32

約数和(自身を含む): 8690411520

約数和(自身を除く): 1968492953

約数列:

[1, 7, 13, 23, 91, 151, 161, 299, 1057, 1963, 2093, 3473, 13741, 21269, 24311, 45149, 148883, 276497, 316043, 489187, 1935479, 3211619, 3424309, 6359431, 22481333, 41751047, 44516017, 73867237, 292257329, 517070659, 960274081, 6721918567]

約数ペア:

[(1, 6721918567), (7, 960274081), (13, 517070659), (23, 292257329), (91, 73867237), (151, 44516017), (161, 41751047), (299, 22481333), (1057, 6359431), (1963, 3424309), (2093, 3211619), (3473, 1935479), (13741, 489187), (21269, 316043), (24311, 276497), (45149, 148883)]