81878524

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11839}}^1$

素因数の和:11882

約数の個数: 48

約数和(自身を含む): 185651200

約数和(自身を除く): 103772676

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 11839, 23678, 47356, 82873, 153907, 165746, 224941, 307814, 331492, 449882, 615628, 899764, 1077349, 1574587, 2154698, 2924233, 3149174, 4309396, 5848466, 6298348, 11696932, 20469631, 40939262, 81878524]

約数ペア:

[(1, 81878524), (2, 40939262), (4, 20469631), (7, 11696932), (13, 6298348), (14, 5848466), (19, 4309396), (26, 3149174), (28, 2924233), (38, 2154698), (52, 1574587), (76, 1077349), (91, 899764), (133, 615628), (182, 449882), (247, 331492), (266, 307814), (364, 224941), (494, 165746), (532, 153907), (988, 82873), (1729, 47356), (3458, 23678), (6916, 11839)]