81840928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1741}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 175154616

約数和(自身を除く): 93313688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 452, 904, 1469, 1741, 1808, 2938, 3482, 3616, 5876, 6964, 11752, 13928, 22633, 23504, 27856, 45266, 47008, 55712, 90532, 181064, 196733, 362128, 393466, 724256, 786932, 1573864, 2557529, 3147728, 5115058, 6295456, 10230116, 20460232, 40920464, 81840928]

約数ペア:

[(1, 81840928), (2, 40920464), (4, 20460232), (8, 10230116), (13, 6295456), (16, 5115058), (26, 3147728), (32, 2557529), (52, 1573864), (104, 786932), (113, 724256), (208, 393466), (226, 362128), (416, 196733), (452, 181064), (904, 90532), (1469, 55712), (1741, 47008), (1808, 45266), (2938, 27856), (3482, 23504), (3616, 22633), (5876, 13928), (6964, 11752)]