639929758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{2851}}^1$

素因数の和:3052

約数の個数: 32

約数和(自身を含む): 1056494880

約数和(自身を除く): 416565122

約数列:

[1, 2, 13, 26, 89, 97, 178, 194, 1157, 1261, 2314, 2522, 2851, 5702, 8633, 17266, 37063, 74126, 112229, 224458, 253739, 276547, 507478, 553094, 3298607, 3595111, 6597214, 7190222, 24612683, 49225366, 319964879, 639929758]

約数ペア:

[(1, 639929758), (2, 319964879), (13, 49225366), (26, 24612683), (89, 7190222), (97, 6597214), (178, 3595111), (194, 3298607), (1157, 553094), (1261, 507478), (2314, 276547), (2522, 253739), (2851, 224458), (5702, 112229), (8633, 74126), (17266, 37063)]