8731996

素因数分解:

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

素因数の和:203

約数の個数: 72

約数和(自身を含む): 20109600

約数和(自身を除く): 11377604

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 149, 161, 182, 196, 298, 299, 322, 364, 596, 598, 637, 644, 1043, 1127, 1196, 1274, 1937, 2086, 2093, 2254, 2548, 3427, 3874, 4172, 4186, 4508, 6854, 7301, 7748, 8372, 13559, 13708, 14602, 14651, 23989, 27118, 29204, 29302, 44551, 47978, 54236, 58604, 89102, 94913, 95956, 167923, 178204, 189826, 311857, 335846, 379652, 623714, 671692, 1247428, 2182999, 4365998, 8731996]

約数ペア:

[(1, 8731996), (2, 4365998), (4, 2182999), (7, 1247428), (13, 671692), (14, 623714), (23, 379652), (26, 335846), (28, 311857), (46, 189826), (49, 178204), (52, 167923), (91, 95956), (92, 94913), (98, 89102), (149, 58604), (161, 54236), (182, 47978), (196, 44551), (298, 29302), (299, 29204), (322, 27118), (364, 23989), (596, 14651), (598, 14602), (637, 13708), (644, 13559), (1043, 8372), (1127, 7748), (1196, 7301), (1274, 6854), (1937, 4508), (2086, 4186), (2093, 4172), (2254, 3874), (2548, 3427)]