31575918

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 75995136

約数和(自身を除く): 44419218

約数列:

[1, 2, 3, 6, 11, 22, 23, 31, 33, 46, 61, 62, 66, 69, 93, 121, 122, 138, 183, 186, 242, 253, 341, 363, 366, 506, 671, 682, 713, 726, 759, 1023, 1342, 1403, 1426, 1518, 1891, 2013, 2046, 2139, 2783, 2806, 3751, 3782, 4026, 4209, 4278, 5566, 5673, 7381, 7502, 7843, 8349, 8418, 11253, 11346, 14762, 15433, 15686, 16698, 20801, 22143, 22506, 23529, 30866, 41602, 43493, 44286, 46299, 47058, 62403, 86273, 86986, 92598, 124806, 130479, 169763, 172546, 228811, 258819, 260958, 339526, 457622, 478423, 509289, 517638, 686433, 956846, 1018578, 1372866, 1435269, 2870538, 5262653, 10525306, 15787959, 31575918]

約数ペア:

[(1, 31575918), (2, 15787959), (3, 10525306), (6, 5262653), (11, 2870538), (22, 1435269), (23, 1372866), (31, 1018578), (33, 956846), (46, 686433), (61, 517638), (62, 509289), (66, 478423), (69, 457622), (93, 339526), (121, 260958), (122, 258819), (138, 228811), (183, 172546), (186, 169763), (242, 130479), (253, 124806), (341, 92598), (363, 86986), (366, 86273), (506, 62403), (671, 47058), (682, 46299), (713, 44286), (726, 43493), (759, 41602), (1023, 30866), (1342, 23529), (1403, 22506), (1426, 22143), (1518, 20801), (1891, 16698), (2013, 15686), (2046, 15433), (2139, 14762), (2783, 11346), (2806, 11253), (3751, 8418), (3782, 8349), (4026, 7843), (4209, 7502), (4278, 7381), (5566, 5673)]