31421984

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 73483200

約数和(自身を除く): 42061216

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 59, 68, 88, 89, 118, 136, 176, 178, 187, 236, 272, 352, 356, 374, 472, 544, 649, 712, 748, 944, 979, 1003, 1298, 1424, 1496, 1513, 1888, 1958, 2006, 2596, 2848, 2992, 3026, 3916, 4012, 5192, 5251, 5984, 6052, 7832, 8024, 10384, 10502, 11033, 12104, 15664, 16048, 16643, 20768, 21004, 22066, 24208, 31328, 32096, 33286, 42008, 44132, 48416, 57761, 66572, 84016, 88264, 89267, 115522, 133144, 168032, 176528, 178534, 231044, 266288, 353056, 357068, 462088, 532576, 714136, 924176, 981937, 1428272, 1848352, 1963874, 2856544, 3927748, 7855496, 15710992, 31421984]

約数ペア:

[(1, 31421984), (2, 15710992), (4, 7855496), (8, 3927748), (11, 2856544), (16, 1963874), (17, 1848352), (22, 1428272), (32, 981937), (34, 924176), (44, 714136), (59, 532576), (68, 462088), (88, 357068), (89, 353056), (118, 266288), (136, 231044), (176, 178534), (178, 176528), (187, 168032), (236, 133144), (272, 115522), (352, 89267), (356, 88264), (374, 84016), (472, 66572), (544, 57761), (649, 48416), (712, 44132), (748, 42008), (944, 33286), (979, 32096), (1003, 31328), (1298, 24208), (1424, 22066), (1496, 21004), (1513, 20768), (1888, 16643), (1958, 16048), (2006, 15664), (2596, 12104), (2848, 11033), (2992, 10502), (3026, 10384), (3916, 8024), (4012, 7832), (5192, 6052), (5251, 5984)]