65198590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{401}}^1$

素因数の和:708

約数の個数: 32

約数和(自身を含む): 119828160

約数和(自身を除く): 54629570

約数列:

[1, 2, 5, 10, 71, 142, 229, 355, 401, 458, 710, 802, 1145, 2005, 2290, 4010, 16259, 28471, 32518, 56942, 81295, 91829, 142355, 162590, 183658, 284710, 459145, 918290, 6519859, 13039718, 32599295, 65198590]

約数ペア:

[(1, 65198590), (2, 32599295), (5, 13039718), (10, 6519859), (71, 918290), (142, 459145), (229, 284710), (355, 183658), (401, 162590), (458, 142355), (710, 91829), (802, 81295), (1145, 56942), (2005, 32518), (2290, 28471), (4010, 16259)]