281212036

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 585367552

約数和(自身を除く): 304155516

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 868, 889, 1778, 2551, 3556, 3937, 5102, 7874, 10204, 15748, 17857, 27559, 35714, 55118, 71428, 79081, 110236, 158162, 316324, 323977, 553567, 647954, 1107134, 1295908, 2214268, 2267839, 4535678, 9071356, 10043287, 20086574, 40173148, 70303009, 140606018, 281212036]

約数ペア:

[(1, 281212036), (2, 140606018), (4, 70303009), (7, 40173148), (14, 20086574), (28, 10043287), (31, 9071356), (62, 4535678), (124, 2267839), (127, 2214268), (217, 1295908), (254, 1107134), (434, 647954), (508, 553567), (868, 323977), (889, 316324), (1778, 158162), (2551, 110236), (3556, 79081), (3937, 71428), (5102, 55118), (7874, 35714), (10204, 27559), (15748, 17857)]