1283256457

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 1557522432

約数和(自身を除く): 274265975

約数列:

[1, 7, 23, 107, 161, 163, 457, 749, 1141, 2461, 3199, 3749, 10511, 17227, 17441, 26243, 48899, 73577, 74491, 122087, 342293, 401143, 521437, 1124677, 1713293, 2808001, 7872739, 7970537, 11993051, 55793759, 183322351, 1283256457]

約数ペア:

[(1, 1283256457), (7, 183322351), (23, 55793759), (107, 11993051), (161, 7970537), (163, 7872739), (457, 2808001), (749, 1713293), (1141, 1124677), (2461, 521437), (3199, 401143), (3749, 342293), (10511, 122087), (17227, 74491), (17441, 73577), (26243, 48899)]