490634495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2593}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 658917504

約数和(自身を除く): 168283009

約数列:

[1, 5, 13, 41, 65, 71, 205, 355, 533, 923, 2593, 2665, 2911, 4615, 12965, 14555, 33709, 37843, 106313, 168545, 184103, 189215, 531565, 920515, 1382069, 2393339, 6910345, 7548223, 11966695, 37741115, 98126899, 490634495]

約数ペア:

[(1, 490634495), (5, 98126899), (13, 37741115), (41, 11966695), (65, 7548223), (71, 6910345), (205, 2393339), (355, 1382069), (533, 920515), (923, 531565), (2593, 189215), (2665, 184103), (2911, 168545), (4615, 106313), (12965, 37843), (14555, 33709)]