201965815

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 256340736

約数和(自身を除く): 54374921

約数列:

[1, 5, 47, 61, 73, 193, 235, 305, 365, 965, 2867, 3431, 4453, 9071, 11773, 14089, 14335, 17155, 22265, 45355, 58865, 70445, 209291, 553331, 662183, 859429, 1046455, 2766655, 3310915, 4297145, 40393163, 201965815]

約数ペア:

[(1, 201965815), (5, 40393163), (47, 4297145), (61, 3310915), (73, 2766655), (193, 1046455), (235, 859429), (305, 662183), (365, 553331), (965, 209291), (2867, 70445), (3431, 58865), (4453, 45355), (9071, 22265), (11773, 17155), (14089, 14335)]