261924208

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{829}}^1$

素因数の和:895

約数の個数: 120

約数和(自身を含む): 657041280

約数和(自身を除く): 395117072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 248, 364, 392, 403, 434, 496, 637, 728, 784, 806, 829, 868, 1274, 1456, 1519, 1612, 1658, 1736, 2548, 2821, 3038, 3224, 3316, 3472, 5096, 5642, 5803, 6076, 6448, 6632, 10192, 10777, 11284, 11606, 12152, 13264, 19747, 21554, 22568, 23212, 24304, 25699, 39494, 40621, 43108, 45136, 46424, 51398, 75439, 78988, 81242, 86216, 92848, 102796, 150878, 157976, 162484, 172432, 179893, 205592, 301756, 315952, 324968, 334087, 359786, 411184, 528073, 603512, 649936, 668174, 719572, 1056146, 1207024, 1259251, 1336348, 1439144, 2112292, 2338609, 2518502, 2672696, 2878288, 4224584, 4677218, 5037004, 5345392, 8449168, 9354436, 10074008, 16370263, 18708872, 20148016, 32740526, 37417744, 65481052, 130962104, 261924208]

約数ペア:

[(1, 261924208), (2, 130962104), (4, 65481052), (7, 37417744), (8, 32740526), (13, 20148016), (14, 18708872), (16, 16370263), (26, 10074008), (28, 9354436), (31, 8449168), (49, 5345392), (52, 5037004), (56, 4677218), (62, 4224584), (91, 2878288), (98, 2672696), (104, 2518502), (112, 2338609), (124, 2112292), (182, 1439144), (196, 1336348), (208, 1259251), (217, 1207024), (248, 1056146), (364, 719572), (392, 668174), (403, 649936), (434, 603512), (496, 528073), (637, 411184), (728, 359786), (784, 334087), (806, 324968), (829, 315952), (868, 301756), (1274, 205592), (1456, 179893), (1519, 172432), (1612, 162484), (1658, 157976), (1736, 150878), (2548, 102796), (2821, 92848), (3038, 86216), (3224, 81242), (3316, 78988), (3472, 75439), (5096, 51398), (5642, 46424), (5803, 45136), (6076, 43108), (6448, 40621), (6632, 39494), (10192, 25699), (10777, 24304), (11284, 23212), (11606, 22568), (12152, 21554), (13264, 19747)]