256220152

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{503}}^1\times {\mathrm{1553}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 493426080

約数和(自身を除く): 237205928

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 503, 1006, 1553, 2012, 3106, 4024, 6212, 12424, 20623, 41246, 63673, 82492, 127346, 164984, 254692, 509384, 781159, 1562318, 3124636, 6249272, 32027519, 64055038, 128110076, 256220152]

約数ペア:

[(1, 256220152), (2, 128110076), (4, 64055038), (8, 32027519), (41, 6249272), (82, 3124636), (164, 1562318), (328, 781159), (503, 509384), (1006, 254692), (1553, 164984), (2012, 127346), (3106, 82492), (4024, 63673), (6212, 41246), (12424, 20623)]