331436345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 420249600

約数和(自身を除く): 88813255

約数列:

[1, 5, 31, 113, 127, 149, 155, 565, 635, 745, 3503, 3937, 4619, 14351, 16837, 17515, 18923, 19685, 23095, 71755, 84185, 94615, 444881, 521947, 586613, 2138299, 2224405, 2609735, 2933065, 10691495, 66287269, 331436345]

約数ペア:

[(1, 331436345), (5, 66287269), (31, 10691495), (113, 2933065), (127, 2609735), (149, 2224405), (155, 2138299), (565, 586613), (635, 521947), (745, 444881), (3503, 94615), (3937, 84185), (4619, 71755), (14351, 23095), (16837, 19685), (17515, 18923)]