1285394012

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{2909}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 2638648320

約数和(自身を除く): 1353254308

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 367, 602, 734, 1204, 1468, 2569, 2909, 5138, 5818, 10276, 11636, 15781, 20363, 31562, 40726, 63124, 81452, 110467, 125087, 220934, 250174, 441868, 500348, 875609, 1067603, 1751218, 2135206, 3502436, 4270412, 7473221, 14946442, 29892884, 45906929, 91813858, 183627716, 321348503, 642697006, 1285394012]

約数ペア:

[(1, 1285394012), (2, 642697006), (4, 321348503), (7, 183627716), (14, 91813858), (28, 45906929), (43, 29892884), (86, 14946442), (172, 7473221), (301, 4270412), (367, 3502436), (602, 2135206), (734, 1751218), (1204, 1067603), (1468, 875609), (2569, 500348), (2909, 441868), (5138, 250174), (5818, 220934), (10276, 125087), (11636, 110467), (15781, 81452), (20363, 63124), (31562, 40726)]