71247790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4363}}^1$

素因数の和:4464

約数の個数: 32

約数和(自身を含む): 135737856

約数和(自身を除く): 64490066

約数列:

[1, 2, 5, 10, 23, 46, 71, 115, 142, 230, 355, 710, 1633, 3266, 4363, 8165, 8726, 16330, 21815, 43630, 100349, 200698, 309773, 501745, 619546, 1003490, 1548865, 3097730, 7124779, 14249558, 35623895, 71247790]

約数ペア:

[(1, 71247790), (2, 35623895), (5, 14249558), (10, 7124779), (23, 3097730), (46, 1548865), (71, 1003490), (115, 619546), (142, 501745), (230, 309773), (355, 200698), (710, 100349), (1633, 43630), (3266, 21815), (4363, 16330), (8165, 8726)]