81951142

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 160220160

約数和(自身を除く): 78269018

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 169, 182, 247, 266, 338, 494, 1183, 1729, 1823, 2366, 3211, 3458, 3646, 6422, 12761, 22477, 23699, 25522, 34637, 44954, 47398, 69274, 165893, 242459, 308087, 331786, 450281, 484918, 616174, 900562, 2156609, 3151967, 4313218, 5853653, 6303934, 11707306, 40975571, 81951142]

約数ペア:

[(1, 81951142), (2, 40975571), (7, 11707306), (13, 6303934), (14, 5853653), (19, 4313218), (26, 3151967), (38, 2156609), (91, 900562), (133, 616174), (169, 484918), (182, 450281), (247, 331786), (266, 308087), (338, 242459), (494, 165893), (1183, 69274), (1729, 47398), (1823, 44954), (2366, 34637), (3211, 25522), (3458, 23699), (3646, 22477), (6422, 12761)]