1981265664

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{368539}}^1$

素因数の和:368565

約数の個数: 72

約数和(自身を含む): 6026366080

約数和(自身を除く): 4045100416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 672, 768, 896, 1344, 1792, 2688, 5376, 368539, 737078, 1105617, 1474156, 2211234, 2579773, 2948312, 4422468, 5159546, 5896624, 7739319, 8844936, 10319092, 11793248, 15478638, 17689872, 20638184, 23586496, 30957276, 35379744, 41276368, 47172992, 61914552, 70759488, 82552736, 94345984, 123829104, 141518976, 165105472, 247658208, 283037952, 330210944, 495316416, 660421888, 990632832, 1981265664]

約数ペア:

[(1, 1981265664), (2, 990632832), (3, 660421888), (4, 495316416), (6, 330210944), (7, 283037952), (8, 247658208), (12, 165105472), (14, 141518976), (16, 123829104), (21, 94345984), (24, 82552736), (28, 70759488), (32, 61914552), (42, 47172992), (48, 41276368), (56, 35379744), (64, 30957276), (84, 23586496), (96, 20638184), (112, 17689872), (128, 15478638), (168, 11793248), (192, 10319092), (224, 8844936), (256, 7739319), (336, 5896624), (384, 5159546), (448, 4422468), (672, 2948312), (768, 2579773), (896, 2211234), (1344, 1474156), (1792, 1105617), (2688, 737078), (5376, 368539)]