28914725

素因数分解:

$5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1445

約数の個数: 24

約数和(自身を含む): 41330688

約数和(自身を除く): 12415963

約数列:

[1, 5, 7, 25, 35, 127, 175, 635, 889, 1301, 3175, 4445, 6505, 9107, 22225, 32525, 45535, 165227, 227675, 826135, 1156589, 4130675, 5782945, 28914725]

約数ペア:

[(1, 28914725), (5, 5782945), (7, 4130675), (25, 1156589), (35, 826135), (127, 227675), (175, 165227), (635, 45535), (889, 32525), (1301, 22225), (3175, 9107), (4445, 6505)]