28501990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2293}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 56487456

約数和(自身を除く): 27985466

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2293, 2486, 4586, 6215, 11465, 12430, 22930, 25223, 50446, 126115, 252230, 259109, 518218, 1295545, 2591090, 2850199, 5700398, 14250995, 28501990]

約数ペア:

[(1, 28501990), (2, 14250995), (5, 5700398), (10, 2850199), (11, 2591090), (22, 1295545), (55, 518218), (110, 259109), (113, 252230), (226, 126115), (565, 50446), (1130, 25223), (1243, 22930), (2293, 12430), (2486, 11465), (4586, 6215)]