7977025

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 11467520

約数和(自身を除く): 3490495

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 577, 1975, 2765, 2885, 4039, 13825, 14425, 20195, 45583, 100975, 227915, 319081, 1139575, 1595405, 7977025]

約数ペア:

[(1, 7977025), (5, 1595405), (7, 1139575), (25, 319081), (35, 227915), (79, 100975), (175, 45583), (395, 20195), (553, 14425), (577, 13825), (1975, 4039), (2765, 2885)]