407829794

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 653209920

約数和(自身を除く): 245380126

約数列:

[1, 2, 19, 38, 157, 197, 314, 347, 394, 694, 2983, 3743, 5966, 6593, 7486, 13186, 30929, 54479, 61858, 68359, 108958, 136718, 587651, 1035101, 1175302, 1298821, 2070202, 2597642, 10732363, 21464726, 203914897, 407829794]

約数ペア:

[(1, 407829794), (2, 203914897), (19, 21464726), (38, 10732363), (157, 2597642), (197, 2070202), (314, 1298821), (347, 1175302), (394, 1035101), (694, 587651), (2983, 136718), (3743, 108958), (5966, 68359), (6593, 61858), (7486, 54479), (13186, 30929)]