204861485

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 263983104

約数和(自身を除く): 59121619

約数列:

[1, 5, 31, 47, 61, 155, 235, 305, 461, 1457, 1891, 2305, 2867, 7285, 9455, 14291, 14335, 21667, 28121, 71455, 88877, 108335, 140605, 444385, 671677, 871751, 1321687, 3358385, 4358755, 6608435, 40972297, 204861485]

約数ペア:

[(1, 204861485), (5, 40972297), (31, 6608435), (47, 4358755), (61, 3358385), (155, 1321687), (235, 871751), (305, 671677), (461, 444385), (1457, 140605), (1891, 108335), (2305, 88877), (2867, 71455), (7285, 28121), (9455, 21667), (14291, 14335)]