51365965

素因数分解:

$5^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 73209600

約数和(自身を除く): 21843635

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 343, 427, 491, 1715, 2135, 2455, 2989, 3437, 14945, 17185, 20923, 24059, 29951, 104615, 120295, 149755, 168413, 209657, 842065, 1048285, 1467599, 7337995, 10273193, 51365965]

約数ペア:

[(1, 51365965), (5, 10273193), (7, 7337995), (35, 1467599), (49, 1048285), (61, 842065), (245, 209657), (305, 168413), (343, 149755), (427, 120295), (491, 104615), (1715, 29951), (2135, 24059), (2455, 20923), (2989, 17185), (3437, 14945)]