258427904

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1221

約数の個数: 88

約数和(自身を含む): 609973248

約数和(自身を除く): 351545344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1163, 1736, 1792, 1984, 2326, 3472, 3584, 3968, 4652, 6944, 7168, 7936, 8141, 9304, 13888, 15872, 16282, 18608, 27776, 31744, 32564, 36053, 37216, 55552, 65128, 72106, 74432, 111104, 130256, 144212, 148864, 222208, 252371, 260512, 288424, 297728, 504742, 521024, 576848, 595456, 1009484, 1042048, 1153696, 1190912, 2018968, 2084096, 2307392, 4037936, 4168192, 4614784, 8075872, 8336384, 9229568, 16151744, 18459136, 32303488, 36918272, 64606976, 129213952, 258427904]

約数ペア:

[(1, 258427904), (2, 129213952), (4, 64606976), (7, 36918272), (8, 32303488), (14, 18459136), (16, 16151744), (28, 9229568), (31, 8336384), (32, 8075872), (56, 4614784), (62, 4168192), (64, 4037936), (112, 2307392), (124, 2084096), (128, 2018968), (217, 1190912), (224, 1153696), (248, 1042048), (256, 1009484), (434, 595456), (448, 576848), (496, 521024), (512, 504742), (868, 297728), (896, 288424), (992, 260512), (1024, 252371), (1163, 222208), (1736, 148864), (1792, 144212), (1984, 130256), (2326, 111104), (3472, 74432), (3584, 72106), (3968, 65128), (4652, 55552), (6944, 37216), (7168, 36053), (7936, 32564), (8141, 31744), (9304, 27776), (13888, 18608), (15872, 16282)]