722418739

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 875059200

約数和(自身を除く): 152640461

約数列:

[1, 7, 29, 79, 107, 203, 421, 553, 749, 2291, 2947, 3103, 8453, 12209, 16037, 21721, 33259, 45047, 59171, 85463, 232813, 245137, 315329, 964511, 1306363, 1715959, 3558713, 6751577, 9144541, 24910991, 103202677, 722418739]

約数ペア:

[(1, 722418739), (7, 103202677), (29, 24910991), (79, 9144541), (107, 6751577), (203, 3558713), (421, 1715959), (553, 1306363), (749, 964511), (2291, 315329), (2947, 245137), (3103, 232813), (8453, 85463), (12209, 59171), (16037, 45047), (21721, 33259)]