216693815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4859

約数の個数: 32

約数和(自身を含む): 303803136

約数和(自身を除く): 87109321

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 533, 697, 1105, 2665, 3485, 4783, 9061, 23915, 45305, 62179, 81311, 196103, 310895, 406555, 980515, 1057043, 2549339, 3333751, 5285215, 12746695, 16668755, 43338763, 216693815]

約数ペア:

[(1, 216693815), (5, 43338763), (13, 16668755), (17, 12746695), (41, 5285215), (65, 3333751), (85, 2549339), (205, 1057043), (221, 980515), (533, 406555), (697, 310895), (1105, 196103), (2665, 81311), (3485, 62179), (4783, 45305), (9061, 23915)]