397696768

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7159}}^1$

素因数の和:7213

約数の個数: 72

約数和(自身を含む): 936642560

約数和(自身を除く): 538945792

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, 6944, 7159, 7936, 13888, 14318, 27776, 28636, 50113, 55552, 57272, 100226, 114544, 200452, 221929, 229088, 400904, 443858, 458176, 801808, 887716, 916352, 1553503, 1603616, 1775432, 1832704, 3107006, 3207232, 3550864, 6214012, 6414464, 7101728, 12428024, 12828928, 14203456, 24856048, 28406912, 49712096, 56813824, 99424192, 198848384, 397696768]

約数ペア:

[(1, 397696768), (2, 198848384), (4, 99424192), (7, 56813824), (8, 49712096), (14, 28406912), (16, 24856048), (28, 14203456), (31, 12828928), (32, 12428024), (56, 7101728), (62, 6414464), (64, 6214012), (112, 3550864), (124, 3207232), (128, 3107006), (217, 1832704), (224, 1775432), (248, 1603616), (256, 1553503), (434, 916352), (448, 887716), (496, 801808), (868, 458176), (896, 443858), (992, 400904), (1736, 229088), (1792, 221929), (1984, 200452), (3472, 114544), (3968, 100226), (6944, 57272), (7159, 55552), (7936, 50113), (13888, 28636), (14318, 27776)]