28100875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 10716917

約数列:

[1, 5, 11, 25, 55, 107, 125, 191, 275, 535, 955, 1177, 1375, 2101, 2675, 4775, 5885, 10505, 13375, 20437, 23875, 29425, 52525, 102185, 147125, 224807, 262625, 510925, 1124035, 2554625, 5620175, 28100875]

約数ペア:

[(1, 28100875), (5, 5620175), (11, 2554625), (25, 1124035), (55, 510925), (107, 262625), (125, 224807), (191, 147125), (275, 102185), (535, 52525), (955, 29425), (1177, 23875), (1375, 20437), (2101, 13375), (2675, 10505), (4775, 5885)]