388779835

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{467}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 498161664

約数和(自身を除く): 109381829

約数列:

[1, 5, 31, 41, 131, 155, 205, 467, 655, 1271, 2335, 4061, 5371, 6355, 14477, 19147, 20305, 26855, 61177, 72385, 95735, 166501, 305885, 593557, 832505, 1896487, 2508257, 2967785, 9482435, 12541285, 77755967, 388779835]

約数ペア:

[(1, 388779835), (5, 77755967), (31, 12541285), (41, 9482435), (131, 2967785), (155, 2508257), (205, 1896487), (467, 832505), (655, 593557), (1271, 305885), (2335, 166501), (4061, 95735), (5371, 72385), (6355, 61177), (14477, 26855), (19147, 20305)]