640146174642

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{2800069}}^1$

素因数の和:2801067

約数の個数: 48

約数和(自身を含む): 1495203779160

約数和(自身を除く): 855057604518

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 977, 1954, 2931, 5862, 8793, 12701, 17586, 25402, 38103, 76206, 114309, 228618, 2800069, 5600138, 8400207, 16800414, 25200621, 36400897, 50401242, 72801794, 109202691, 218405382, 327608073, 655216146, 2735667413, 5471334826, 8207002239, 16414004478, 24621006717, 35563676369, 49242013434, 71127352738, 106691029107, 213382058214, 320073087321, 640146174642]

約数ペア:

[(1, 640146174642), (2, 320073087321), (3, 213382058214), (6, 106691029107), (9, 71127352738), (13, 49242013434), (18, 35563676369), (26, 24621006717), (39, 16414004478), (78, 8207002239), (117, 5471334826), (234, 2735667413), (977, 655216146), (1954, 327608073), (2931, 218405382), (5862, 109202691), (8793, 72801794), (12701, 50401242), (17586, 36400897), (25402, 25200621), (38103, 16800414), (76206, 8400207), (114309, 5600138), (228618, 2800069)]