74142465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1657}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 125742720

約数和(自身を除く): 51600255

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 285, 471, 785, 1657, 2355, 2983, 4971, 8285, 8949, 14915, 24855, 31483, 44745, 94449, 157415, 260149, 472245, 780447, 1300745, 3902235, 4942831, 14828493, 24714155, 74142465]

約数ペア:

[(1, 74142465), (3, 24714155), (5, 14828493), (15, 4942831), (19, 3902235), (57, 1300745), (95, 780447), (157, 472245), (285, 260149), (471, 157415), (785, 94449), (1657, 44745), (2355, 31483), (2983, 24855), (4971, 14915), (8285, 8949)]