15805988

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 54

約数和(自身を含む): 32583138

約数和(自身を除く): 16777150

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 113, 121, 187, 226, 242, 289, 374, 452, 484, 578, 748, 1156, 1243, 1921, 2057, 2486, 3179, 3842, 4114, 4972, 6358, 7684, 8228, 12716, 13673, 21131, 27346, 32657, 34969, 42262, 54692, 65314, 69938, 84524, 130628, 139876, 232441, 359227, 464882, 718454, 929764, 1436908, 3951497, 7902994, 15805988]

約数ペア:

[(1, 15805988), (2, 7902994), (4, 3951497), (11, 1436908), (17, 929764), (22, 718454), (34, 464882), (44, 359227), (68, 232441), (113, 139876), (121, 130628), (187, 84524), (226, 69938), (242, 65314), (289, 54692), (374, 42262), (452, 34969), (484, 32657), (578, 27346), (748, 21131), (1156, 13673), (1243, 12716), (1921, 8228), (2057, 7684), (2486, 6358), (3179, 4972), (3842, 4114)]