257594624

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4637}}^1$

素因数の和:4691

約数の個数: 72

約数和(自身を含む): 606724608

約数和(自身を除く): 349129984

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, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 4637, 6944, 7936, 9274, 13888, 18548, 27776, 32459, 37096, 55552, 64918, 74192, 129836, 143747, 148384, 259672, 287494, 296768, 519344, 574988, 593536, 1006229, 1038688, 1149976, 1187072, 2012458, 2077376, 2299952, 4024916, 4154752, 4599904, 8049832, 8309504, 9199808, 16099664, 18399616, 32199328, 36799232, 64398656, 128797312, 257594624]

約数ペア:

[(1, 257594624), (2, 128797312), (4, 64398656), (7, 36799232), (8, 32199328), (14, 18399616), (16, 16099664), (28, 9199808), (31, 8309504), (32, 8049832), (56, 4599904), (62, 4154752), (64, 4024916), (112, 2299952), (124, 2077376), (128, 2012458), (217, 1187072), (224, 1149976), (248, 1038688), (256, 1006229), (434, 593536), (448, 574988), (496, 519344), (868, 296768), (896, 287494), (992, 259672), (1736, 148384), (1792, 143747), (1984, 129836), (3472, 74192), (3968, 64918), (4637, 55552), (6944, 37096), (7936, 32459), (9274, 27776), (13888, 18548)]