30981912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{499}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 84000000

約数和(自身を除く): 53018088

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 199, 312, 398, 499, 597, 796, 998, 1194, 1497, 1592, 1996, 2388, 2587, 2994, 3992, 4776, 5174, 5988, 6487, 7761, 10348, 11976, 12974, 15522, 19461, 20696, 25948, 31044, 38922, 51896, 62088, 77844, 99301, 155688, 198602, 297903, 397204, 595806, 794408, 1191612, 1290913, 2383224, 2581826, 3872739, 5163652, 7745478, 10327304, 15490956, 30981912]

約数ペア:

[(1, 30981912), (2, 15490956), (3, 10327304), (4, 7745478), (6, 5163652), (8, 3872739), (12, 2581826), (13, 2383224), (24, 1290913), (26, 1191612), (39, 794408), (52, 595806), (78, 397204), (104, 297903), (156, 198602), (199, 155688), (312, 99301), (398, 77844), (499, 62088), (597, 51896), (796, 38922), (998, 31044), (1194, 25948), (1497, 20696), (1592, 19461), (1996, 15522), (2388, 12974), (2587, 11976), (2994, 10348), (3992, 7761), (4776, 6487), (5174, 5988)]