349713455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20773}}^1$

素因数の和:20835

約数の個数: 32

約数和(自身を含む): 530484864

約数和(自身を除く): 180771409

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 16835, 20773, 103865, 145411, 270049, 727055, 768601, 1350245, 1890343, 3843005, 5380207, 9451715, 9991813, 26901035, 49959065, 69942691, 349713455]

約数ペア:

[(1, 349713455), (5, 69942691), (7, 49959065), (13, 26901035), (35, 9991813), (37, 9451715), (65, 5380207), (91, 3843005), (185, 1890343), (259, 1350245), (455, 768601), (481, 727055), (1295, 270049), (2405, 145411), (3367, 103865), (16835, 20773)]