31707808

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:482

約数の個数: 72

約数和(自身を含む): 72394560

約数和(自身を除く): 40686752

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 352, 418, 431, 484, 608, 836, 862, 968, 1672, 1724, 1936, 2299, 3344, 3448, 3872, 4598, 4741, 6688, 6896, 8189, 9196, 9482, 13792, 16378, 18392, 18964, 32756, 36784, 37928, 52151, 65512, 73568, 75856, 90079, 104302, 131024, 151712, 180158, 208604, 262048, 360316, 417208, 720632, 834416, 990869, 1441264, 1668832, 1981738, 2882528, 3963476, 7926952, 15853904, 31707808]

約数ペア:

[(1, 31707808), (2, 15853904), (4, 7926952), (8, 3963476), (11, 2882528), (16, 1981738), (19, 1668832), (22, 1441264), (32, 990869), (38, 834416), (44, 720632), (76, 417208), (88, 360316), (121, 262048), (152, 208604), (176, 180158), (209, 151712), (242, 131024), (304, 104302), (352, 90079), (418, 75856), (431, 73568), (484, 65512), (608, 52151), (836, 37928), (862, 36784), (968, 32756), (1672, 18964), (1724, 18392), (1936, 16378), (2299, 13792), (3344, 9482), (3448, 9196), (3872, 8189), (4598, 6896), (4741, 6688)]