221820816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{660181}}^1$

素因数の和:660199

約数の個数: 40

約数和(自身を含む): 654900544

約数和(自身を除く): 433079728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 660181, 1320362, 1980543, 2640724, 3961086, 4621267, 5281448, 7922172, 9242534, 10562896, 13863801, 15844344, 18485068, 27727602, 31688688, 36970136, 55455204, 73940272, 110910408, 221820816]

約数ペア:

[(1, 221820816), (2, 110910408), (3, 73940272), (4, 55455204), (6, 36970136), (7, 31688688), (8, 27727602), (12, 18485068), (14, 15844344), (16, 13863801), (21, 10562896), (24, 9242534), (28, 7922172), (42, 5281448), (48, 4621267), (56, 3961086), (84, 2640724), (112, 1980543), (168, 1320362), (336, 660181)]