28212625

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1697}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 42382080

約数和(自身を除く): 14169455

約数列:

[1, 5, 7, 19, 25, 35, 95, 125, 133, 175, 475, 665, 875, 1697, 2375, 3325, 8485, 11879, 16625, 32243, 42425, 59395, 161215, 212125, 225701, 296975, 806075, 1128505, 1484875, 4030375, 5642525, 28212625]

約数ペア:

[(1, 28212625), (5, 5642525), (7, 4030375), (19, 1484875), (25, 1128505), (35, 806075), (95, 296975), (125, 225701), (133, 212125), (175, 161215), (475, 59395), (665, 42425), (875, 32243), (1697, 16625), (2375, 11879), (3325, 8485)]