2778045215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{2707}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 3724821504

約数和(自身を除く): 946776289

約数列:

[1, 5, 11, 47, 55, 235, 397, 517, 1985, 2585, 2707, 4367, 13535, 18659, 21835, 29777, 93295, 127229, 148885, 205249, 636145, 1026245, 1074679, 1399519, 5373395, 6997595, 11821469, 50509913, 59107345, 252549565, 555609043, 2778045215]

約数ペア:

[(1, 2778045215), (5, 555609043), (11, 252549565), (47, 59107345), (55, 50509913), (235, 11821469), (397, 6997595), (517, 5373395), (1985, 1399519), (2585, 1074679), (2707, 1026245), (4367, 636145), (13535, 205249), (18659, 148885), (21835, 127229), (29777, 93295)]