31897998

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 81244800

約数和(自身を除く): 49346802

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 61, 66, 99, 114, 122, 139, 171, 183, 198, 209, 278, 342, 366, 417, 418, 549, 627, 671, 834, 1098, 1159, 1251, 1254, 1342, 1529, 1881, 2013, 2318, 2502, 2641, 3058, 3477, 3762, 4026, 4587, 5282, 6039, 6954, 7923, 8479, 9174, 10431, 12078, 12749, 13761, 15846, 16958, 20862, 23769, 25437, 25498, 27522, 29051, 38247, 47538, 50874, 58102, 76311, 76494, 87153, 93269, 114741, 152622, 161101, 174306, 186538, 229482, 261459, 279807, 322202, 483303, 522918, 559614, 839421, 966606, 1449909, 1678842, 1772111, 2899818, 3544222, 5316333, 10632666, 15948999, 31897998]

約数ペア:

[(1, 31897998), (2, 15948999), (3, 10632666), (6, 5316333), (9, 3544222), (11, 2899818), (18, 1772111), (19, 1678842), (22, 1449909), (33, 966606), (38, 839421), (57, 559614), (61, 522918), (66, 483303), (99, 322202), (114, 279807), (122, 261459), (139, 229482), (171, 186538), (183, 174306), (198, 161101), (209, 152622), (278, 114741), (342, 93269), (366, 87153), (417, 76494), (418, 76311), (549, 58102), (627, 50874), (671, 47538), (834, 38247), (1098, 29051), (1159, 27522), (1251, 25498), (1254, 25437), (1342, 23769), (1529, 20862), (1881, 16958), (2013, 15846), (2318, 13761), (2502, 12749), (2641, 12078), (3058, 10431), (3477, 9174), (3762, 8479), (4026, 7923), (4587, 6954), (5282, 6039)]