216417695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 308774592

約数和(自身を除く): 92356897

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 361, 401, 437, 1235, 1495, 1805, 2005, 2185, 4693, 5213, 5681, 7619, 8303, 9223, 23465, 26065, 28405, 38095, 41515, 46115, 99047, 107939, 119899, 144761, 175237, 495235, 539695, 599495, 723805, 876185, 1881893, 2278081, 3329503, 9409465, 11390405, 16647515, 43283539, 216417695]

約数ペア:

[(1, 216417695), (5, 43283539), (13, 16647515), (19, 11390405), (23, 9409465), (65, 3329503), (95, 2278081), (115, 1881893), (247, 876185), (299, 723805), (361, 599495), (401, 539695), (437, 495235), (1235, 175237), (1495, 144761), (1805, 119899), (2005, 107939), (2185, 99047), (4693, 46115), (5213, 41515), (5681, 38095), (7619, 28405), (8303, 26065), (9223, 23465)]