653842540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67967}}^1$

素因数の和:68026

約数の個数: 48

約数和(自身を含む): 1518676992

約数和(自身を除く): 864834452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 67967, 135934, 271868, 339835, 679670, 883571, 1359340, 1767142, 2514779, 3534284, 4417855, 5029558, 8835710, 10059116, 12573895, 17671420, 25147790, 32692127, 50295580, 65384254, 130768508, 163460635, 326921270, 653842540]

約数ペア:

[(1, 653842540), (2, 326921270), (4, 163460635), (5, 130768508), (10, 65384254), (13, 50295580), (20, 32692127), (26, 25147790), (37, 17671420), (52, 12573895), (65, 10059116), (74, 8835710), (130, 5029558), (148, 4417855), (185, 3534284), (260, 2514779), (370, 1767142), (481, 1359340), (740, 883571), (962, 679670), (1924, 339835), (2405, 271868), (4810, 135934), (9620, 67967)]