121878484

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 275993088

約数和(自身を除く): 154114604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1274, 1519, 1543, 1612, 2548, 2821, 3038, 3086, 5642, 6076, 6172, 10801, 11284, 19747, 20059, 21602, 39494, 40118, 43204, 47833, 75607, 78988, 80236, 95666, 140413, 151214, 191332, 280826, 302428, 334831, 561652, 621829, 669662, 982891, 1243658, 1339324, 1965782, 2343817, 2487316, 3931564, 4352803, 4687634, 8705606, 9375268, 17411212, 30469621, 60939242, 121878484]

約数ペア:

[(1, 121878484), (2, 60939242), (4, 30469621), (7, 17411212), (13, 9375268), (14, 8705606), (26, 4687634), (28, 4352803), (31, 3931564), (49, 2487316), (52, 2343817), (62, 1965782), (91, 1339324), (98, 1243658), (124, 982891), (182, 669662), (196, 621829), (217, 561652), (364, 334831), (403, 302428), (434, 280826), (637, 191332), (806, 151214), (868, 140413), (1274, 95666), (1519, 80236), (1543, 78988), (1612, 75607), (2548, 47833), (2821, 43204), (3038, 40118), (3086, 39494), (5642, 21602), (6076, 20059), (6172, 19747), (10801, 11284)]