291399444

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{128483}}^1$

素因数の和:128506

約数の個数: 60

約数和(自身を含む): 870607584

約数和(自身を除く): 579208140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 128483, 256966, 385449, 513932, 770898, 899381, 1156347, 1541796, 1798762, 2312694, 2698143, 3469041, 3597524, 4625388, 5396286, 6938082, 8094429, 10407123, 10792572, 13876164, 16188858, 20814246, 24283287, 32377716, 41628492, 48566574, 72849861, 97133148, 145699722, 291399444]

約数ペア:

[(1, 291399444), (2, 145699722), (3, 97133148), (4, 72849861), (6, 48566574), (7, 41628492), (9, 32377716), (12, 24283287), (14, 20814246), (18, 16188858), (21, 13876164), (27, 10792572), (28, 10407123), (36, 8094429), (42, 6938082), (54, 5396286), (63, 4625388), (81, 3597524), (84, 3469041), (108, 2698143), (126, 2312694), (162, 1798762), (189, 1541796), (252, 1156347), (324, 899381), (378, 770898), (567, 513932), (756, 385449), (1134, 256966), (2268, 128483)]