221561106

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{76771}}^1$

素因数の和:76826

約数の個数: 32

約数和(自身を含む): 490112448

約数和(自身を除く): 268551342

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 76771, 153542, 230313, 460626, 998023, 1996046, 2840527, 2994069, 5681054, 5988138, 8521581, 17043162, 36926851, 73853702, 110780553, 221561106]

約数ペア:

[(1, 221561106), (2, 110780553), (3, 73853702), (6, 36926851), (13, 17043162), (26, 8521581), (37, 5988138), (39, 5681054), (74, 2994069), (78, 2840527), (111, 1996046), (222, 998023), (481, 460626), (962, 230313), (1443, 153542), (2886, 76771)]