78268788

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 220993920

約数和(自身を除く): 142725132

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 107, 108, 117, 156, 214, 234, 321, 351, 428, 468, 521, 642, 702, 963, 1042, 1284, 1391, 1404, 1563, 1926, 2084, 2782, 2889, 3126, 3852, 4173, 4689, 5564, 5778, 6252, 6773, 8346, 9378, 11556, 12519, 13546, 14067, 16692, 18756, 20319, 25038, 27092, 28134, 37557, 40638, 50076, 55747, 56268, 60957, 75114, 81276, 111494, 121914, 150228, 167241, 182871, 222988, 243828, 334482, 365742, 501723, 668964, 724711, 731484, 1003446, 1449422, 1505169, 2006892, 2174133, 2898844, 3010338, 4348266, 6020676, 6522399, 8696532, 13044798, 19567197, 26089596, 39134394, 78268788]

約数ペア:

[(1, 78268788), (2, 39134394), (3, 26089596), (4, 19567197), (6, 13044798), (9, 8696532), (12, 6522399), (13, 6020676), (18, 4348266), (26, 3010338), (27, 2898844), (36, 2174133), (39, 2006892), (52, 1505169), (54, 1449422), (78, 1003446), (107, 731484), (108, 724711), (117, 668964), (156, 501723), (214, 365742), (234, 334482), (321, 243828), (351, 222988), (428, 182871), (468, 167241), (521, 150228), (642, 121914), (702, 111494), (963, 81276), (1042, 75114), (1284, 60957), (1391, 56268), (1404, 55747), (1563, 50076), (1926, 40638), (2084, 37557), (2782, 28134), (2889, 27092), (3126, 25038), (3852, 20319), (4173, 18756), (4689, 16692), (5564, 14067), (5778, 13546), (6252, 12519), (6773, 11556), (8346, 9378)]