389619784

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{631}}^1\times {\mathrm{977}}^1$

素因数の和:1693

約数の個数: 32

約数和(自身を含む): 741715200

約数和(自身を除く): 352095416

約数列:

[1, 2, 4, 8, 79, 158, 316, 631, 632, 977, 1262, 1954, 2524, 3908, 5048, 7816, 49849, 77183, 99698, 154366, 199396, 308732, 398792, 616487, 617464, 1232974, 2465948, 4931896, 48702473, 97404946, 194809892, 389619784]

約数ペア:

[(1, 389619784), (2, 194809892), (4, 97404946), (8, 48702473), (79, 4931896), (158, 2465948), (316, 1232974), (631, 617464), (632, 616487), (977, 398792), (1262, 308732), (1954, 199396), (2524, 154366), (3908, 99698), (5048, 77183), (7816, 49849)]