1261522388

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{2137}}^1$

素因数の和:2904

約数の個数: 48

約数和(自身を含む): 2614859520

約数和(自身を除く): 1353337132

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 727, 812, 1454, 2137, 2908, 4274, 5089, 8548, 10178, 14959, 20356, 21083, 29918, 42166, 59836, 61973, 84332, 123946, 147581, 247892, 295162, 433811, 590324, 867622, 1553599, 1735244, 3107198, 6214396, 10875193, 21750386, 43500772, 45054371, 90108742, 180217484, 315380597, 630761194, 1261522388]

約数ペア:

[(1, 1261522388), (2, 630761194), (4, 315380597), (7, 180217484), (14, 90108742), (28, 45054371), (29, 43500772), (58, 21750386), (116, 10875193), (203, 6214396), (406, 3107198), (727, 1735244), (812, 1553599), (1454, 867622), (2137, 590324), (2908, 433811), (4274, 295162), (5089, 247892), (8548, 147581), (10178, 123946), (14959, 84332), (20356, 61973), (21083, 59836), (29918, 42166)]