421490435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 547305984

約数和(自身を除く): 125815549

約数列:

[1, 5, 17, 71, 85, 211, 331, 355, 1055, 1207, 1655, 3587, 5627, 6035, 14981, 17935, 23501, 28135, 69841, 74905, 117505, 254677, 349205, 399517, 1187297, 1273385, 1997585, 4958711, 5936485, 24793555, 84298087, 421490435]

約数ペア:

[(1, 421490435), (5, 84298087), (17, 24793555), (71, 5936485), (85, 4958711), (211, 1997585), (331, 1273385), (355, 1187297), (1055, 399517), (1207, 349205), (1655, 254677), (3587, 117505), (5627, 74905), (6035, 69841), (14981, 28135), (17935, 23501)]