291216790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{6857}}^1$

素因数の和:7032

約数の個数: 32

約数和(自身を含む): 545128704

約数和(自身を除く): 253911914

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 4247, 6857, 8494, 13714, 21235, 34285, 42470, 68570, 212567, 425134, 939409, 1062835, 1878818, 2125670, 4697045, 9394090, 29121679, 58243358, 145608395, 291216790]

約数ペア:

[(1, 291216790), (2, 145608395), (5, 58243358), (10, 29121679), (31, 9394090), (62, 4697045), (137, 2125670), (155, 1878818), (274, 1062835), (310, 939409), (685, 425134), (1370, 212567), (4247, 68570), (6857, 42470), (8494, 34285), (13714, 21235)]