61381208

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20681}}^1$

素因数の和:20747

約数の個数: 32

約数和(自身を含む): 134019360

約数和(自身を除く): 72638152

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 20681, 41362, 82724, 144767, 165448, 289534, 579068, 1096093, 1158136, 2192186, 4384372, 7672651, 8768744, 15345302, 30690604, 61381208]

約数ペア:

[(1, 61381208), (2, 30690604), (4, 15345302), (7, 8768744), (8, 7672651), (14, 4384372), (28, 2192186), (53, 1158136), (56, 1096093), (106, 579068), (212, 289534), (371, 165448), (424, 144767), (742, 82724), (1484, 41362), (2968, 20681)]