28912625

素因数分解:

$5^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 41693184

約数和(自身を除く): 12780559

約数列:

[1, 5, 7, 25, 35, 125, 173, 175, 191, 865, 875, 955, 1211, 1337, 4325, 4775, 6055, 6685, 21625, 23875, 30275, 33043, 33425, 151375, 165215, 167125, 231301, 826075, 1156505, 4130375, 5782525, 28912625]

約数ペア:

[(1, 28912625), (5, 5782525), (7, 4130375), (25, 1156505), (35, 826075), (125, 231301), (173, 167125), (175, 165215), (191, 151375), (865, 33425), (875, 33043), (955, 30275), (1211, 23875), (1337, 21625), (4325, 6685), (4775, 6055)]