31186568

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 74269440

約数和(自身を除く): 43082872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 47, 56, 68, 82, 94, 119, 136, 164, 188, 238, 287, 289, 328, 329, 376, 476, 574, 578, 658, 697, 799, 952, 1148, 1156, 1316, 1394, 1598, 1927, 2023, 2296, 2312, 2632, 2788, 3196, 3854, 4046, 4879, 5576, 5593, 6392, 7708, 8092, 9758, 11186, 11849, 13489, 13583, 15416, 16184, 19516, 22372, 23698, 26978, 27166, 32759, 39032, 44744, 47396, 53956, 54332, 65518, 82943, 94792, 95081, 107912, 108664, 131036, 165886, 190162, 229313, 262072, 331772, 380324, 458626, 556903, 663544, 760648, 917252, 1113806, 1834504, 2227612, 3898321, 4455224, 7796642, 15593284, 31186568]

約数ペア:

[(1, 31186568), (2, 15593284), (4, 7796642), (7, 4455224), (8, 3898321), (14, 2227612), (17, 1834504), (28, 1113806), (34, 917252), (41, 760648), (47, 663544), (56, 556903), (68, 458626), (82, 380324), (94, 331772), (119, 262072), (136, 229313), (164, 190162), (188, 165886), (238, 131036), (287, 108664), (289, 107912), (328, 95081), (329, 94792), (376, 82943), (476, 65518), (574, 54332), (578, 53956), (658, 47396), (697, 44744), (799, 39032), (952, 32759), (1148, 27166), (1156, 26978), (1316, 23698), (1394, 22372), (1598, 19516), (1927, 16184), (2023, 15416), (2296, 13583), (2312, 13489), (2632, 11849), (2788, 11186), (3196, 9758), (3854, 8092), (4046, 7708), (4879, 6392), (5576, 5593)]