81145312

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 164650752

約数和(自身を除く): 83505440

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 163, 188, 326, 331, 376, 652, 662, 752, 1304, 1324, 1504, 2608, 2648, 5216, 5296, 7661, 10592, 15322, 15557, 30644, 31114, 53953, 61288, 62228, 107906, 122576, 124456, 215812, 245152, 248912, 431624, 497824, 863248, 1726496, 2535791, 5071582, 10143164, 20286328, 40572656, 81145312]

約数ペア:

[(1, 81145312), (2, 40572656), (4, 20286328), (8, 10143164), (16, 5071582), (32, 2535791), (47, 1726496), (94, 863248), (163, 497824), (188, 431624), (326, 248912), (331, 245152), (376, 215812), (652, 124456), (662, 122576), (752, 107906), (1304, 62228), (1324, 61288), (1504, 53953), (2608, 31114), (2648, 30644), (5216, 15557), (5296, 15322), (7661, 10592)]