212518144

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 446082560

約数和(自身を除く): 233564416

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 439, 488, 496, 878, 976, 992, 1756, 1891, 1952, 1984, 3512, 3782, 3904, 3968, 7024, 7564, 7808, 7936, 13609, 14048, 15128, 15616, 26779, 27218, 28096, 30256, 53558, 54436, 56192, 60512, 107116, 108872, 112384, 121024, 214232, 217744, 242048, 428464, 435488, 484096, 830149, 856928, 870976, 1660298, 1713856, 1741952, 3320596, 3427712, 3483904, 6641192, 6855424, 13282384, 26564768, 53129536, 106259072, 212518144]

約数ペア:

[(1, 212518144), (2, 106259072), (4, 53129536), (8, 26564768), (16, 13282384), (31, 6855424), (32, 6641192), (61, 3483904), (62, 3427712), (64, 3320596), (122, 1741952), (124, 1713856), (128, 1660298), (244, 870976), (248, 856928), (256, 830149), (439, 484096), (488, 435488), (496, 428464), (878, 242048), (976, 217744), (992, 214232), (1756, 121024), (1891, 112384), (1952, 108872), (1984, 107116), (3512, 60512), (3782, 56192), (3904, 54436), (3968, 53558), (7024, 30256), (7564, 28096), (7808, 27218), (7936, 26779), (13609, 15616), (14048, 15128)]