890390872

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{773}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 1945278720

約数和(自身を除く): 1054887848

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 307, 469, 536, 614, 773, 938, 1228, 1546, 1876, 2149, 2456, 3092, 3752, 4298, 5411, 6184, 8596, 10822, 17192, 20569, 21644, 41138, 43288, 51791, 82276, 103582, 143983, 164552, 207164, 237311, 287966, 362537, 414328, 474622, 575932, 725074, 949244, 1151864, 1450148, 1661177, 1898488, 2900296, 3322354, 6644708, 13289416, 15899837, 31799674, 63599348, 111298859, 127198696, 222597718, 445195436, 890390872]

約数ペア:

[(1, 890390872), (2, 445195436), (4, 222597718), (7, 127198696), (8, 111298859), (14, 63599348), (28, 31799674), (56, 15899837), (67, 13289416), (134, 6644708), (268, 3322354), (307, 2900296), (469, 1898488), (536, 1661177), (614, 1450148), (773, 1151864), (938, 949244), (1228, 725074), (1546, 575932), (1876, 474622), (2149, 414328), (2456, 362537), (3092, 287966), (3752, 237311), (4298, 207164), (5411, 164552), (6184, 143983), (8596, 103582), (10822, 82276), (17192, 51791), (20569, 43288), (21644, 41138)]