31572918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 75538008

約数和(自身を除く): 43965090

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 107, 117, 169, 194, 214, 234, 291, 321, 338, 507, 582, 642, 873, 963, 1014, 1261, 1391, 1521, 1746, 1926, 2522, 2782, 3042, 3783, 4173, 7566, 8346, 10379, 11349, 12519, 16393, 18083, 20758, 22698, 25038, 31137, 32786, 36166, 49179, 54249, 62274, 93411, 98358, 108498, 134927, 147537, 162747, 186822, 269854, 295074, 325494, 404781, 809562, 1214343, 1754051, 2428686, 3508102, 5262153, 10524306, 15786459, 31572918]

約数ペア:

[(1, 31572918), (2, 15786459), (3, 10524306), (6, 5262153), (9, 3508102), (13, 2428686), (18, 1754051), (26, 1214343), (39, 809562), (78, 404781), (97, 325494), (107, 295074), (117, 269854), (169, 186822), (194, 162747), (214, 147537), (234, 134927), (291, 108498), (321, 98358), (338, 93411), (507, 62274), (582, 54249), (642, 49179), (873, 36166), (963, 32786), (1014, 31137), (1261, 25038), (1391, 22698), (1521, 20758), (1746, 18083), (1926, 16393), (2522, 12519), (2782, 11349), (3042, 10379), (3783, 8346), (4173, 7566)]