403987506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:707

約数の個数: 64

約数和(自身を含む): 890942976

約数和(自身を除く): 486955470

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 197, 366, 394, 431, 591, 793, 862, 1182, 1293, 1586, 2379, 2561, 2586, 4758, 5122, 5603, 7683, 11206, 12017, 15366, 16809, 24034, 26291, 33618, 36051, 52582, 72102, 78873, 84907, 156221, 157746, 169814, 254721, 312442, 341783, 468663, 509442, 683566, 937326, 1025349, 1103791, 2050698, 2207582, 3311373, 5179327, 6622746, 10358654, 15537981, 31075962, 67331251, 134662502, 201993753, 403987506]

約数ペア:

[(1, 403987506), (2, 201993753), (3, 134662502), (6, 67331251), (13, 31075962), (26, 15537981), (39, 10358654), (61, 6622746), (78, 5179327), (122, 3311373), (183, 2207582), (197, 2050698), (366, 1103791), (394, 1025349), (431, 937326), (591, 683566), (793, 509442), (862, 468663), (1182, 341783), (1293, 312442), (1586, 254721), (2379, 169814), (2561, 157746), (2586, 156221), (4758, 84907), (5122, 78873), (5603, 72102), (7683, 52582), (11206, 36051), (12017, 33618), (15366, 26291), (16809, 24034)]