16957785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 32256000

約数和(自身を除く): 15298215

約数列:

[1, 3, 5, 13, 15, 19, 23, 39, 57, 65, 69, 95, 115, 195, 199, 247, 285, 299, 345, 437, 597, 741, 897, 995, 1235, 1311, 1495, 2185, 2587, 2985, 3705, 3781, 4485, 4577, 5681, 6555, 7761, 11343, 12935, 13731, 17043, 18905, 22885, 28405, 38805, 49153, 56715, 59501, 68655, 85215, 86963, 147459, 178503, 245765, 260889, 297505, 434815, 737295, 892515, 1130519, 1304445, 3391557, 5652595, 16957785]

約数ペア:

[(1, 16957785), (3, 5652595), (5, 3391557), (13, 1304445), (15, 1130519), (19, 892515), (23, 737295), (39, 434815), (57, 297505), (65, 260889), (69, 245765), (95, 178503), (115, 147459), (195, 86963), (199, 85215), (247, 68655), (285, 59501), (299, 56715), (345, 49153), (437, 38805), (597, 28405), (741, 22885), (897, 18905), (995, 17043), (1235, 13731), (1311, 12935), (1495, 11343), (2185, 7761), (2587, 6555), (2985, 5681), (3705, 4577), (3781, 4485)]