2190403978

素因数分解:

$2^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{1423}}^1$

素因数の和:1691

約数の個数: 48

約数和(自身を含む): 3886323840

約数和(自身を除く): 1695919862

約数列:

[1, 2, 7, 14, 49, 98, 113, 139, 226, 278, 791, 973, 1423, 1582, 1946, 2846, 5537, 6811, 9961, 11074, 13622, 15707, 19922, 31414, 69727, 109949, 139454, 160799, 197797, 219898, 321598, 395594, 769643, 1125593, 1384579, 1539286, 2251186, 2769158, 7879151, 9692053, 15758302, 19384106, 22351061, 44702122, 156457427, 312914854, 1095201989, 2190403978]

約数ペア:

[(1, 2190403978), (2, 1095201989), (7, 312914854), (14, 156457427), (49, 44702122), (98, 22351061), (113, 19384106), (139, 15758302), (226, 9692053), (278, 7879151), (791, 2769158), (973, 2251186), (1423, 1539286), (1582, 1384579), (1946, 1125593), (2846, 769643), (5537, 395594), (6811, 321598), (9961, 219898), (11074, 197797), (13622, 160799), (15707, 139454), (19922, 109949), (31414, 69727)]