31568576

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1997}}^1$

素因数の和:2041

約数の個数: 56

約数和(自身を含む): 71048880

約数和(自身を除く): 39480304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 1997, 3952, 3994, 7904, 7988, 15808, 15976, 25961, 31952, 37943, 51922, 63904, 75886, 103844, 127808, 151772, 207688, 303544, 415376, 493259, 607088, 830752, 986518, 1214176, 1661504, 1973036, 2428352, 3946072, 7892144, 15784288, 31568576]

約数ペア:

[(1, 31568576), (2, 15784288), (4, 7892144), (8, 3946072), (13, 2428352), (16, 1973036), (19, 1661504), (26, 1214176), (32, 986518), (38, 830752), (52, 607088), (64, 493259), (76, 415376), (104, 303544), (152, 207688), (208, 151772), (247, 127808), (304, 103844), (416, 75886), (494, 63904), (608, 51922), (832, 37943), (988, 31952), (1216, 25961), (1976, 15976), (1997, 15808), (3952, 7988), (3994, 7904)]