40291537

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 9705263

約数列:

[1, 11, 13, 31, 61, 143, 149, 341, 403, 671, 793, 1639, 1891, 1937, 4433, 4619, 8723, 9089, 20801, 21307, 24583, 50809, 60047, 99979, 118157, 270413, 281759, 660517, 1299727, 3099349, 3662867, 40291537]

約数ペア:

[(1, 40291537), (11, 3662867), (13, 3099349), (31, 1299727), (61, 660517), (143, 281759), (149, 270413), (341, 118157), (403, 99979), (671, 60047), (793, 50809), (1639, 24583), (1891, 21307), (1937, 20801), (4433, 9089), (4619, 8723)]