8940456

素因数分解:

$2^3\times 3^7\times 7^1\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 29126400

約数和(自身を除く): 20185944

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 73, 81, 84, 108, 126, 146, 162, 168, 189, 216, 219, 243, 252, 292, 324, 378, 438, 486, 504, 511, 567, 584, 648, 657, 729, 756, 876, 972, 1022, 1134, 1314, 1458, 1512, 1533, 1701, 1752, 1944, 1971, 2044, 2187, 2268, 2628, 2916, 3066, 3402, 3942, 4088, 4374, 4536, 4599, 5103, 5256, 5832, 5913, 6132, 6804, 7884, 8748, 9198, 10206, 11826, 12264, 13608, 13797, 15309, 15768, 17496, 17739, 18396, 20412, 23652, 27594, 30618, 35478, 36792, 40824, 41391, 47304, 53217, 55188, 61236, 70956, 82782, 106434, 110376, 122472, 124173, 141912, 159651, 165564, 212868, 248346, 319302, 331128, 372519, 425736, 496692, 638604, 745038, 993384, 1117557, 1277208, 1490076, 2235114, 2980152, 4470228, 8940456]

約数ペア:

[(1, 8940456), (2, 4470228), (3, 2980152), (4, 2235114), (6, 1490076), (7, 1277208), (8, 1117557), (9, 993384), (12, 745038), (14, 638604), (18, 496692), (21, 425736), (24, 372519), (27, 331128), (28, 319302), (36, 248346), (42, 212868), (54, 165564), (56, 159651), (63, 141912), (72, 124173), (73, 122472), (81, 110376), (84, 106434), (108, 82782), (126, 70956), (146, 61236), (162, 55188), (168, 53217), (189, 47304), (216, 41391), (219, 40824), (243, 36792), (252, 35478), (292, 30618), (324, 27594), (378, 23652), (438, 20412), (486, 18396), (504, 17739), (511, 17496), (567, 15768), (584, 15309), (648, 13797), (657, 13608), (729, 12264), (756, 11826), (876, 10206), (972, 9198), (1022, 8748), (1134, 7884), (1314, 6804), (1458, 6132), (1512, 5913), (1533, 5832), (1701, 5256), (1752, 5103), (1944, 4599), (1971, 4536), (2044, 4374), (2187, 4088), (2268, 3942), (2628, 3402), (2916, 3066)]