1279782426

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{381569}}^1$

素因数の和:381630

約数の個数: 32

約数和(自身を含む): 2820565440

約数和(自身を除く): 1540783014

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 381569, 763138, 1144707, 2289414, 4960397, 9920794, 14881191, 16407467, 29762382, 32814934, 49222401, 98444802, 213297071, 426594142, 639891213, 1279782426]

約数ペア:

[(1, 1279782426), (2, 639891213), (3, 426594142), (6, 213297071), (13, 98444802), (26, 49222401), (39, 32814934), (43, 29762382), (78, 16407467), (86, 14881191), (129, 9920794), (258, 4960397), (559, 2289414), (1118, 1144707), (1677, 763138), (3354, 381569)]