31943912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4026

約数の個数: 64

約数和(自身を含む): 80438400

約数和(自身を除く): 48494488

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3989, 4004, 7978, 8008, 15956, 27923, 31912, 43879, 51857, 55846, 87758, 103714, 111692, 175516, 207428, 223384, 307153, 351032, 362999, 414856, 570427, 614306, 725998, 1140854, 1228612, 1451996, 2281708, 2457224, 2903992, 3992989, 4563416, 7985978, 15971956, 31943912]

約数ペア:

[(1, 31943912), (2, 15971956), (4, 7985978), (7, 4563416), (8, 3992989), (11, 2903992), (13, 2457224), (14, 2281708), (22, 1451996), (26, 1228612), (28, 1140854), (44, 725998), (52, 614306), (56, 570427), (77, 414856), (88, 362999), (91, 351032), (104, 307153), (143, 223384), (154, 207428), (182, 175516), (286, 111692), (308, 103714), (364, 87758), (572, 55846), (616, 51857), (728, 43879), (1001, 31912), (1144, 27923), (2002, 15956), (3989, 8008), (4004, 7978)]