81945474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 193415040

約数和(自身を除く): 111469566

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 34, 39, 51, 58, 78, 87, 102, 174, 221, 377, 442, 493, 663, 754, 986, 1131, 1326, 1479, 2131, 2262, 2958, 4262, 6393, 6409, 12786, 12818, 19227, 27703, 36227, 38454, 55406, 61799, 72454, 83109, 108681, 123598, 166218, 185397, 217362, 370794, 470951, 803387, 941902, 1050583, 1412853, 1606774, 2101166, 2410161, 2825706, 3151749, 4820322, 6303498, 13657579, 27315158, 40972737, 81945474]

約数ペア:

[(1, 81945474), (2, 40972737), (3, 27315158), (6, 13657579), (13, 6303498), (17, 4820322), (26, 3151749), (29, 2825706), (34, 2410161), (39, 2101166), (51, 1606774), (58, 1412853), (78, 1050583), (87, 941902), (102, 803387), (174, 470951), (221, 370794), (377, 217362), (442, 185397), (493, 166218), (663, 123598), (754, 108681), (986, 83109), (1131, 72454), (1326, 61799), (1479, 55406), (2131, 38454), (2262, 36227), (2958, 27703), (4262, 19227), (6393, 12818), (6409, 12786)]