128283642

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 296524800

約数和(自身を除く): 168241158

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 197, 279, 389, 394, 558, 591, 778, 837, 1167, 1182, 1674, 1773, 2334, 3501, 3546, 5319, 6107, 7002, 10503, 10638, 12059, 12214, 18321, 21006, 24118, 36177, 36642, 54963, 72354, 76633, 108531, 109926, 153266, 164889, 217062, 229899, 325593, 329778, 459798, 651186, 689697, 1379394, 2069091, 2375623, 4138182, 4751246, 7126869, 14253738, 21380607, 42761214, 64141821, 128283642]

約数ペア:

[(1, 128283642), (2, 64141821), (3, 42761214), (6, 21380607), (9, 14253738), (18, 7126869), (27, 4751246), (31, 4138182), (54, 2375623), (62, 2069091), (93, 1379394), (186, 689697), (197, 651186), (279, 459798), (389, 329778), (394, 325593), (558, 229899), (591, 217062), (778, 164889), (837, 153266), (1167, 109926), (1182, 108531), (1674, 76633), (1773, 72354), (2334, 54963), (3501, 36642), (3546, 36177), (5319, 24118), (6107, 21006), (7002, 18321), (10503, 12214), (10638, 12059)]