28407323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 8170981

約数列:

[1, 7, 17, 23, 97, 107, 119, 161, 391, 679, 749, 1649, 1819, 2231, 2461, 2737, 10379, 11543, 12733, 15617, 17227, 37927, 41837, 72653, 176443, 238717, 265489, 292859, 1235101, 1671019, 4058189, 28407323]

約数ペア:

[(1, 28407323), (7, 4058189), (17, 1671019), (23, 1235101), (97, 292859), (107, 265489), (119, 238717), (161, 176443), (391, 72653), (679, 41837), (749, 37927), (1649, 17227), (1819, 15617), (2231, 12733), (2461, 11543), (2737, 10379)]