393419988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{13781}}^1$

素因数の和:13865

約数の個数: 72

約数和(自身を含む): 1088612616

約数和(自身を除く): 695192628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 61, 78, 117, 122, 156, 183, 234, 244, 366, 468, 549, 732, 793, 1098, 1586, 2196, 2379, 3172, 4758, 7137, 9516, 13781, 14274, 27562, 28548, 41343, 55124, 82686, 124029, 165372, 179153, 248058, 358306, 496116, 537459, 716612, 840641, 1074918, 1612377, 1681282, 2149836, 2521923, 3224754, 3362564, 5043846, 6449508, 7565769, 10087692, 10928333, 15131538, 21856666, 30263076, 32784999, 43713332, 65569998, 98354997, 131139996, 196709994, 393419988]

約数ペア:

[(1, 393419988), (2, 196709994), (3, 131139996), (4, 98354997), (6, 65569998), (9, 43713332), (12, 32784999), (13, 30263076), (18, 21856666), (26, 15131538), (36, 10928333), (39, 10087692), (52, 7565769), (61, 6449508), (78, 5043846), (117, 3362564), (122, 3224754), (156, 2521923), (183, 2149836), (234, 1681282), (244, 1612377), (366, 1074918), (468, 840641), (549, 716612), (732, 537459), (793, 496116), (1098, 358306), (1586, 248058), (2196, 179153), (2379, 165372), (3172, 124029), (4758, 82686), (7137, 55124), (9516, 41343), (13781, 28548), (14274, 27562)]