637664847

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 896313600

約数和(自身を除く): 258648753

約数列:

[1, 3, 29, 83, 87, 233, 249, 379, 699, 1137, 2407, 6757, 7221, 10991, 19339, 20271, 31457, 32973, 58017, 88307, 94371, 264921, 560831, 912253, 1682493, 2560903, 2736759, 7329481, 7682709, 21988443, 212554949, 637664847]

約数ペア:

[(1, 637664847), (3, 212554949), (29, 21988443), (83, 7682709), (87, 7329481), (233, 2736759), (249, 2560903), (379, 1682493), (699, 912253), (1137, 560831), (2407, 264921), (6757, 94371), (7221, 88307), (10991, 58017), (19339, 32973), (20271, 31457)]