638535594

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1\times {\mathrm{4001}}^1$

素因数の和:4470

約数の個数: 32

約数和(自身を含む): 1299721536

約数和(自身を除く): 661185942

約数列:

[1, 2, 3, 6, 67, 134, 201, 397, 402, 794, 1191, 2382, 4001, 8002, 12003, 24006, 26599, 53198, 79797, 159594, 268067, 536134, 804201, 1588397, 1608402, 3176794, 4765191, 9530382, 106422599, 212845198, 319267797, 638535594]

約数ペア:

[(1, 638535594), (2, 319267797), (3, 212845198), (6, 106422599), (67, 9530382), (134, 4765191), (201, 3176794), (397, 1608402), (402, 1588397), (794, 804201), (1191, 536134), (2382, 268067), (4001, 159594), (8002, 79797), (12003, 53198), (24006, 26599)]