221715968

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 466815360

約数和(自身を除く): 245099392

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 229, 244, 248, 256, 458, 488, 496, 512, 916, 976, 992, 1832, 1891, 1952, 1984, 3664, 3782, 3904, 3968, 7099, 7328, 7564, 7808, 7936, 13969, 14198, 14656, 15128, 15616, 15872, 27938, 28396, 29312, 30256, 31232, 55876, 56792, 58624, 60512, 111752, 113584, 117248, 121024, 223504, 227168, 242048, 433039, 447008, 454336, 484096, 866078, 894016, 908672, 968192, 1732156, 1788032, 1817344, 3464312, 3576064, 3634688, 6928624, 7152128, 13857248, 27714496, 55428992, 110857984, 221715968]

約数ペア:

[(1, 221715968), (2, 110857984), (4, 55428992), (8, 27714496), (16, 13857248), (31, 7152128), (32, 6928624), (61, 3634688), (62, 3576064), (64, 3464312), (122, 1817344), (124, 1788032), (128, 1732156), (229, 968192), (244, 908672), (248, 894016), (256, 866078), (458, 484096), (488, 454336), (496, 447008), (512, 433039), (916, 242048), (976, 227168), (992, 223504), (1832, 121024), (1891, 117248), (1952, 113584), (1984, 111752), (3664, 60512), (3782, 58624), (3904, 56792), (3968, 55876), (7099, 31232), (7328, 30256), (7564, 29312), (7808, 28396), (7936, 27938), (13969, 15872), (14198, 15616), (14656, 15128)]