408020888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{69203}}^1$

素因数の和:69287

約数の個数: 32

約数和(自身を含む): 847056960

約数和(自身を除く): 439036072

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 5896, 69203, 138406, 276812, 553624, 761233, 1522466, 3044932, 4636601, 6089864, 9273202, 18546404, 37092808, 51002611, 102005222, 204010444, 408020888]

約数ペア:

[(1, 408020888), (2, 204010444), (4, 102005222), (8, 51002611), (11, 37092808), (22, 18546404), (44, 9273202), (67, 6089864), (88, 4636601), (134, 3044932), (268, 1522466), (536, 761233), (737, 553624), (1474, 276812), (2948, 138406), (5896, 69203)]