400648712

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{797}}^1\times {\mathrm{2027}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 776805120

約数和(自身を除く): 376156408

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 797, 1594, 2027, 3188, 4054, 6376, 8108, 16216, 24707, 49414, 62837, 98828, 125674, 197656, 251348, 502696, 1615519, 3231038, 6462076, 12924152, 50081089, 100162178, 200324356, 400648712]

約数ペア:

[(1, 400648712), (2, 200324356), (4, 100162178), (8, 50081089), (31, 12924152), (62, 6462076), (124, 3231038), (248, 1615519), (797, 502696), (1594, 251348), (2027, 197656), (3188, 125674), (4054, 98828), (6376, 62837), (8108, 49414), (16216, 24707)]