313888978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{21143}}^1$

素因数の和:21729

約数の個数: 16

約数和(自身を含む): 507963456

約数和(自身を除く): 194074478

約数列:

[1, 2, 13, 26, 571, 1142, 7423, 14846, 21143, 42286, 274859, 549718, 12072653, 24145306, 156944489, 313888978]

約数ペア:

[(1, 313888978), (2, 156944489), (13, 24145306), (26, 12072653), (571, 549718), (1142, 274859), (7423, 42286), (14846, 21143)]