420725916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{898987}}^1$

素因数の和:899010

約数の個数: 36

約数和(自身を含む): 1145310712

約数和(自身を除く): 724584796

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 898987, 1797974, 2696961, 3595948, 5393922, 8090883, 10787844, 11686831, 16181766, 23373662, 32363532, 35060493, 46747324, 70120986, 105181479, 140241972, 210362958, 420725916]

約数ペア:

[(1, 420725916), (2, 210362958), (3, 140241972), (4, 105181479), (6, 70120986), (9, 46747324), (12, 35060493), (13, 32363532), (18, 23373662), (26, 16181766), (36, 11686831), (39, 10787844), (52, 8090883), (78, 5393922), (117, 3595948), (156, 2696961), (234, 1797974), (468, 898987)]