64416995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 84913920

約数和(自身を除く): 20496925

約数列:

[1, 5, 17, 53, 79, 85, 181, 265, 395, 901, 905, 1343, 3077, 4187, 4505, 6715, 9593, 14299, 15385, 20935, 47965, 71179, 71495, 163081, 243083, 355895, 757847, 815405, 1215415, 3789235, 12883399, 64416995]

約数ペア:

[(1, 64416995), (5, 12883399), (17, 3789235), (53, 1215415), (79, 815405), (85, 757847), (181, 355895), (265, 243083), (395, 163081), (901, 71495), (905, 71179), (1343, 47965), (3077, 20935), (4187, 15385), (4505, 14299), (6715, 9593)]