81389336

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 190978560

約数和(自身を除く): 109589224

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 47, 56, 68, 94, 107, 119, 136, 188, 214, 238, 289, 329, 376, 428, 476, 578, 658, 749, 799, 856, 952, 1156, 1316, 1498, 1598, 1819, 2023, 2312, 2632, 2996, 3196, 3638, 4046, 5029, 5593, 5992, 6392, 7276, 8092, 10058, 11186, 12733, 13583, 14552, 16184, 20116, 22372, 25466, 27166, 30923, 35203, 40232, 44744, 50932, 54332, 61846, 70406, 85493, 95081, 101864, 108664, 123692, 140812, 170986, 190162, 216461, 247384, 281624, 341972, 380324, 432922, 598451, 683944, 760648, 865844, 1196902, 1453381, 1731688, 2393804, 2906762, 4787608, 5813524, 10173667, 11627048, 20347334, 40694668, 81389336]

約数ペア:

[(1, 81389336), (2, 40694668), (4, 20347334), (7, 11627048), (8, 10173667), (14, 5813524), (17, 4787608), (28, 2906762), (34, 2393804), (47, 1731688), (56, 1453381), (68, 1196902), (94, 865844), (107, 760648), (119, 683944), (136, 598451), (188, 432922), (214, 380324), (238, 341972), (289, 281624), (329, 247384), (376, 216461), (428, 190162), (476, 170986), (578, 140812), (658, 123692), (749, 108664), (799, 101864), (856, 95081), (952, 85493), (1156, 70406), (1316, 61846), (1498, 54332), (1598, 50932), (1819, 44744), (2023, 40232), (2312, 35203), (2632, 30923), (2996, 27166), (3196, 25466), (3638, 22372), (4046, 20116), (5029, 16184), (5593, 14552), (5992, 13583), (6392, 12733), (7276, 11186), (8092, 10058)]