1643036416

素因数分解:

$2^8\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2357}}^1$

素因数の和:2769

約数の個数: 72

約数和(自身を含む): 3759406560

約数和(自身を除く): 2116370144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 389, 448, 778, 896, 1556, 1792, 2357, 2723, 3112, 4714, 5446, 6224, 9428, 10892, 12448, 16499, 18856, 21784, 24896, 32998, 37712, 43568, 49792, 65996, 75424, 87136, 99584, 131992, 150848, 174272, 263984, 301696, 348544, 527968, 603392, 697088, 916873, 1055936, 1833746, 2111872, 3667492, 4223744, 6418111, 7334984, 12836222, 14669968, 25672444, 29339936, 51344888, 58679872, 102689776, 117359744, 205379552, 234719488, 410759104, 821518208, 1643036416]

約数ペア:

[(1, 1643036416), (2, 821518208), (4, 410759104), (7, 234719488), (8, 205379552), (14, 117359744), (16, 102689776), (28, 58679872), (32, 51344888), (56, 29339936), (64, 25672444), (112, 14669968), (128, 12836222), (224, 7334984), (256, 6418111), (389, 4223744), (448, 3667492), (778, 2111872), (896, 1833746), (1556, 1055936), (1792, 916873), (2357, 697088), (2723, 603392), (3112, 527968), (4714, 348544), (5446, 301696), (6224, 263984), (9428, 174272), (10892, 150848), (12448, 131992), (16499, 99584), (18856, 87136), (21784, 75424), (24896, 65996), (32998, 49792), (37712, 43568)]