400022018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1723}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 669546432

約数和(自身を除く): 269524414

約数列:

[1, 2, 11, 22, 61, 122, 173, 346, 671, 1342, 1723, 1903, 3446, 3806, 10553, 18953, 21106, 37906, 105103, 116083, 210206, 232166, 298079, 596158, 1156133, 2312266, 3278869, 6557738, 18182819, 36365638, 200011009, 400022018]

約数ペア:

[(1, 400022018), (2, 200011009), (11, 36365638), (22, 18182819), (61, 6557738), (122, 3278869), (173, 2312266), (346, 1156133), (671, 596158), (1342, 298079), (1723, 232166), (1903, 210206), (3446, 116083), (3806, 105103), (10553, 37906), (18953, 21106)]