51895415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 73749312

約数和(自身を除く): 21853897

約数列:

[1, 5, 11, 13, 55, 65, 143, 181, 401, 715, 905, 1991, 2005, 2353, 4411, 5213, 9955, 11765, 22055, 25883, 26065, 57343, 72581, 129415, 286715, 362905, 798391, 943553, 3991955, 4717765, 10379083, 51895415]

約数ペア:

[(1, 51895415), (5, 10379083), (11, 4717765), (13, 3991955), (55, 943553), (65, 798391), (143, 362905), (181, 286715), (401, 129415), (715, 72581), (905, 57343), (1991, 26065), (2005, 25883), (2353, 22055), (4411, 11765), (5213, 9955)]