291275530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{320083}}^1$

素因数の和:320110

約数の個数: 32

約数和(自身を含む): 645289344

約数和(自身を除く): 354013814

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 320083, 640166, 1600415, 2240581, 3200830, 4161079, 4481162, 8322158, 11202905, 20805395, 22405810, 29127553, 41610790, 58255106, 145637765, 291275530]

約数ペア:

[(1, 291275530), (2, 145637765), (5, 58255106), (7, 41610790), (10, 29127553), (13, 22405810), (14, 20805395), (26, 11202905), (35, 8322158), (65, 4481162), (70, 4161079), (91, 3200830), (130, 2240581), (182, 1600415), (455, 640166), (910, 320083)]