389617496

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59611}}^1$

素因数の和:59679

約数の個数: 32

約数和(自身を含む): 786878400

約数和(自身を除く): 397260904

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 59611, 119222, 238444, 476888, 1132609, 2265218, 2563273, 4530436, 5126546, 9060872, 10253092, 20506184, 48702187, 97404374, 194808748, 389617496]

約数ペア:

[(1, 389617496), (2, 194808748), (4, 97404374), (8, 48702187), (19, 20506184), (38, 10253092), (43, 9060872), (76, 5126546), (86, 4530436), (152, 2563273), (172, 2265218), (344, 1132609), (817, 476888), (1634, 238444), (3268, 119222), (6536, 59611)]