890548385

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3761}}^1$

素因数の和:3889

約数の個数: 32

約数和(自身を含む): 1170132480

約数和(自身を除く): 279584095

約数列:

[1, 5, 23, 29, 71, 115, 145, 355, 667, 1633, 2059, 3335, 3761, 8165, 10295, 18805, 47357, 86503, 109069, 236785, 267031, 432515, 545345, 1335155, 2508587, 6141713, 7743899, 12542935, 30708565, 38719495, 178109677, 890548385]

約数ペア:

[(1, 890548385), (5, 178109677), (23, 38719495), (29, 30708565), (71, 12542935), (115, 7743899), (145, 6141713), (355, 2508587), (667, 1335155), (1633, 545345), (2059, 432515), (3335, 267031), (3761, 236785), (8165, 109069), (10295, 86503), (18805, 47357)]