201721190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{1877}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 396723744

約数和(自身を除く): 195002554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 977, 1877, 1954, 3754, 4885, 9385, 9770, 10747, 18770, 20647, 21494, 41294, 53735, 103235, 107470, 206470, 1833829, 3667658, 9169145, 18338290, 20172119, 40344238, 100860595, 201721190]

約数ペア:

[(1, 201721190), (2, 100860595), (5, 40344238), (10, 20172119), (11, 18338290), (22, 9169145), (55, 3667658), (110, 1833829), (977, 206470), (1877, 107470), (1954, 103235), (3754, 53735), (4885, 41294), (9385, 21494), (9770, 20647), (10747, 18770)]