289561216

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 706492800

約数和(自身を除く): 416931584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 73, 76, 112, 128, 133, 146, 152, 224, 233, 266, 292, 304, 448, 466, 511, 532, 584, 608, 896, 932, 1022, 1064, 1168, 1216, 1387, 1631, 1864, 2044, 2128, 2336, 2432, 2774, 3262, 3728, 4088, 4256, 4427, 4672, 5548, 6524, 7456, 8176, 8512, 8854, 9344, 9709, 11096, 13048, 14912, 16352, 17009, 17024, 17708, 19418, 22192, 26096, 29824, 30989, 32704, 34018, 35416, 38836, 44384, 52192, 61978, 65408, 68036, 70832, 77672, 88768, 104384, 119063, 123956, 136072, 141664, 155344, 177536, 208768, 238126, 247912, 272144, 283328, 310688, 323171, 476252, 495824, 544288, 566656, 621376, 646342, 952504, 991648, 1088576, 1242752, 1292684, 1905008, 1983296, 2177152, 2262197, 2585368, 3810016, 3966592, 4524394, 5170736, 7620032, 9048788, 10341472, 15240064, 18097576, 20682944, 36195152, 41365888, 72390304, 144780608, 289561216]

約数ペア:

[(1, 289561216), (2, 144780608), (4, 72390304), (7, 41365888), (8, 36195152), (14, 20682944), (16, 18097576), (19, 15240064), (28, 10341472), (32, 9048788), (38, 7620032), (56, 5170736), (64, 4524394), (73, 3966592), (76, 3810016), (112, 2585368), (128, 2262197), (133, 2177152), (146, 1983296), (152, 1905008), (224, 1292684), (233, 1242752), (266, 1088576), (292, 991648), (304, 952504), (448, 646342), (466, 621376), (511, 566656), (532, 544288), (584, 495824), (608, 476252), (896, 323171), (932, 310688), (1022, 283328), (1064, 272144), (1168, 247912), (1216, 238126), (1387, 208768), (1631, 177536), (1864, 155344), (2044, 141664), (2128, 136072), (2336, 123956), (2432, 119063), (2774, 104384), (3262, 88768), (3728, 77672), (4088, 70832), (4256, 68036), (4427, 65408), (4672, 61978), (5548, 52192), (6524, 44384), (7456, 38836), (8176, 35416), (8512, 34018), (8854, 32704), (9344, 30989), (9709, 29824), (11096, 26096), (13048, 22192), (14912, 19418), (16352, 17708), (17009, 17024)]