163220456

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 363847680

約数和(自身を除く): 200627224

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 167, 217, 248, 334, 434, 563, 668, 868, 1126, 1169, 1336, 1736, 2252, 2338, 3941, 4504, 4676, 5177, 7882, 9352, 10354, 15764, 17453, 20708, 31528, 34906, 36239, 41416, 69812, 72478, 94021, 122171, 139624, 144956, 188042, 244342, 289912, 376084, 488684, 658147, 752168, 977368, 1316294, 2632588, 2914651, 5265176, 5829302, 11658604, 20402557, 23317208, 40805114, 81610228, 163220456]

約数ペア:

[(1, 163220456), (2, 81610228), (4, 40805114), (7, 23317208), (8, 20402557), (14, 11658604), (28, 5829302), (31, 5265176), (56, 2914651), (62, 2632588), (124, 1316294), (167, 977368), (217, 752168), (248, 658147), (334, 488684), (434, 376084), (563, 289912), (668, 244342), (868, 188042), (1126, 144956), (1169, 139624), (1336, 122171), (1736, 94021), (2252, 72478), (2338, 69812), (3941, 41416), (4504, 36239), (4676, 34906), (5177, 31528), (7882, 20708), (9352, 17453), (10354, 15764)]