30991856

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 73281024

約数和(自身を除く): 42289168

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 53, 56, 92, 106, 112, 161, 184, 212, 227, 322, 368, 371, 424, 454, 644, 742, 848, 908, 1219, 1288, 1484, 1589, 1816, 2438, 2576, 2968, 3178, 3632, 4876, 5221, 5936, 6356, 8533, 9752, 10442, 12031, 12712, 17066, 19504, 20884, 24062, 25424, 34132, 36547, 41768, 48124, 68264, 73094, 83536, 84217, 96248, 136528, 146188, 168434, 192496, 276713, 292376, 336868, 553426, 584752, 673736, 1106852, 1347472, 1936991, 2213704, 3873982, 4427408, 7747964, 15495928, 30991856]

約数ペア:

[(1, 30991856), (2, 15495928), (4, 7747964), (7, 4427408), (8, 3873982), (14, 2213704), (16, 1936991), (23, 1347472), (28, 1106852), (46, 673736), (53, 584752), (56, 553426), (92, 336868), (106, 292376), (112, 276713), (161, 192496), (184, 168434), (212, 146188), (227, 136528), (322, 96248), (368, 84217), (371, 83536), (424, 73094), (454, 68264), (644, 48124), (742, 41768), (848, 36547), (908, 34132), (1219, 25424), (1288, 24062), (1484, 20884), (1589, 19504), (1816, 17066), (2438, 12712), (2576, 12031), (2968, 10442), (3178, 9752), (3632, 8533), (4876, 6356), (5221, 5936)]