397268417

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1353

約数の個数: 32

約数和(自身を含む): 505800960

約数和(自身を除く): 108532543

約数列:

[1, 7, 13, 59, 61, 91, 413, 427, 767, 793, 1213, 3599, 5369, 5551, 8491, 15769, 25193, 46787, 71567, 73993, 110383, 327509, 500969, 517951, 930371, 961909, 4365587, 6512597, 6733363, 30559109, 56752631, 397268417]

約数ペア:

[(1, 397268417), (7, 56752631), (13, 30559109), (59, 6733363), (61, 6512597), (91, 4365587), (413, 961909), (427, 930371), (767, 517951), (793, 500969), (1213, 327509), (3599, 110383), (5369, 73993), (5551, 71567), (8491, 46787), (15769, 25193)]