388566398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1520

約数の個数: 32

約数和(自身を含む): 648000000

約数和(自身を除く): 259433602

約数列:

[1, 2, 11, 22, 79, 158, 179, 358, 869, 1249, 1738, 1969, 2498, 3938, 13739, 14141, 27478, 28282, 98671, 155551, 197342, 223571, 311102, 447142, 1085381, 2170762, 2459281, 4918562, 17662109, 35324218, 194283199, 388566398]

約数ペア:

[(1, 388566398), (2, 194283199), (11, 35324218), (22, 17662109), (79, 4918562), (158, 2459281), (179, 2170762), (358, 1085381), (869, 447142), (1249, 311102), (1738, 223571), (1969, 197342), (2498, 155551), (3938, 98671), (13739, 28282), (14141, 27478)]