30561986

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 29918014

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 149, 161, 182, 298, 299, 322, 343, 598, 637, 686, 1043, 1127, 1274, 1937, 2086, 2093, 2254, 3427, 3874, 4186, 4459, 6854, 7301, 7889, 8918, 13559, 14602, 14651, 15778, 23989, 27118, 29302, 44551, 47978, 51107, 89102, 94913, 102214, 102557, 167923, 189826, 205114, 311857, 335846, 623714, 664391, 1175461, 1328782, 2182999, 2350922, 4365998, 15280993, 30561986]

約数ペア:

[(1, 30561986), (2, 15280993), (7, 4365998), (13, 2350922), (14, 2182999), (23, 1328782), (26, 1175461), (46, 664391), (49, 623714), (91, 335846), (98, 311857), (149, 205114), (161, 189826), (182, 167923), (298, 102557), (299, 102214), (322, 94913), (343, 89102), (598, 51107), (637, 47978), (686, 44551), (1043, 29302), (1127, 27118), (1274, 23989), (1937, 15778), (2086, 14651), (2093, 14602), (2254, 13559), (3427, 8918), (3874, 7889), (4186, 7301), (4459, 6854)]