28057355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 9267445

約数列:

[1, 5, 23, 29, 47, 115, 145, 179, 235, 667, 895, 1081, 1363, 3335, 4117, 5191, 5405, 6815, 8413, 20585, 25955, 31349, 42065, 119393, 156745, 193499, 243977, 596965, 967495, 1219885, 5611471, 28057355]

約数ペア:

[(1, 28057355), (5, 5611471), (23, 1219885), (29, 967495), (47, 596965), (115, 243977), (145, 193499), (179, 156745), (235, 119393), (667, 42065), (895, 31349), (1081, 25955), (1363, 20585), (3335, 8413), (4117, 6815), (5191, 5405)]