28257455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 9499345

約数列:

[1, 5, 23, 29, 37, 115, 145, 185, 229, 667, 851, 1073, 1145, 3335, 4255, 5267, 5365, 6641, 8473, 24679, 26335, 33205, 42365, 123395, 152743, 194879, 245717, 763715, 974395, 1228585, 5651491, 28257455]

約数ペア:

[(1, 28257455), (5, 5651491), (23, 1228585), (29, 974395), (37, 763715), (115, 245717), (145, 194879), (185, 152743), (229, 123395), (667, 42365), (851, 33205), (1073, 26335), (1145, 24679), (3335, 8473), (4255, 6641), (5267, 5365)]