51561068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 106865472

約数和(自身を除く): 55304404

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 73, 94, 146, 188, 221, 289, 292, 442, 578, 611, 799, 884, 949, 1156, 1222, 1241, 1598, 1898, 2444, 2482, 3196, 3431, 3757, 3796, 4964, 6862, 7514, 10387, 13583, 13724, 15028, 16133, 20774, 21097, 27166, 32266, 41548, 42194, 44603, 54332, 58327, 64532, 84388, 89206, 116654, 176579, 178412, 233308, 274261, 353158, 548522, 706316, 758251, 991559, 1097044, 1516502, 1983118, 3033004, 3966236, 12890267, 25780534, 51561068]

約数ペア:

[(1, 51561068), (2, 25780534), (4, 12890267), (13, 3966236), (17, 3033004), (26, 1983118), (34, 1516502), (47, 1097044), (52, 991559), (68, 758251), (73, 706316), (94, 548522), (146, 353158), (188, 274261), (221, 233308), (289, 178412), (292, 176579), (442, 116654), (578, 89206), (611, 84388), (799, 64532), (884, 58327), (949, 54332), (1156, 44603), (1222, 42194), (1241, 41548), (1598, 32266), (1898, 27166), (2444, 21097), (2482, 20774), (3196, 16133), (3431, 15028), (3757, 13724), (3796, 13583), (4964, 10387), (6862, 7514)]