211345274

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2389}}^1$

素因数の和:2558

約数の個数: 32

約数和(自身を含む): 371692800

約数和(自身を除く): 160347526

約数列:

[1, 2, 7, 14, 71, 89, 142, 178, 497, 623, 994, 1246, 2389, 4778, 6319, 12638, 16723, 33446, 44233, 88466, 169619, 212621, 339238, 425242, 1187333, 1488347, 2374666, 2976694, 15096091, 30192182, 105672637, 211345274]

約数ペア:

[(1, 211345274), (2, 105672637), (7, 30192182), (14, 15096091), (71, 2976694), (89, 2374666), (142, 1488347), (178, 1187333), (497, 425242), (623, 339238), (994, 212621), (1246, 169619), (2389, 88466), (4778, 44233), (6319, 33446), (12638, 16723)]