16591915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 5802965

約数列:

[1, 5, 17, 29, 53, 85, 127, 145, 265, 493, 635, 901, 1537, 2159, 2465, 3683, 4505, 6731, 7685, 10795, 18415, 26129, 33655, 62611, 114427, 130645, 195199, 313055, 572135, 975995, 3318383, 16591915]

約数ペア:

[(1, 16591915), (5, 3318383), (17, 975995), (29, 572135), (53, 313055), (85, 195199), (127, 130645), (145, 114427), (265, 62611), (493, 33655), (635, 26129), (901, 18415), (1537, 10795), (2159, 7685), (2465, 6731), (3683, 4505)]