223880605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 301206528

約数和(自身を除く): 77325923

約数列:

[1, 5, 13, 31, 65, 137, 155, 403, 685, 811, 1781, 2015, 4055, 4247, 8905, 10543, 21235, 25141, 52715, 55211, 111107, 125705, 276055, 326833, 555535, 1444391, 1634165, 3444317, 7221955, 17221585, 44776121, 223880605]

約数ペア:

[(1, 223880605), (5, 44776121), (13, 17221585), (31, 7221955), (65, 3444317), (137, 1634165), (155, 1444391), (403, 555535), (685, 326833), (811, 276055), (1781, 125705), (2015, 111107), (4055, 55211), (4247, 52715), (8905, 25141), (10543, 21235)]