388940008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{6793}}^1$

素因数の和:7237

約数の個数: 32

約数和(自身を含む): 774108360

約数和(自身を除く): 385168352

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1684, 3368, 6793, 7157, 13586, 14314, 27172, 28628, 54344, 57256, 115481, 230962, 461924, 923848, 2859853, 5719706, 11439412, 22878824, 48617501, 97235002, 194470004, 388940008]

約数ペア:

[(1, 388940008), (2, 194470004), (4, 97235002), (8, 48617501), (17, 22878824), (34, 11439412), (68, 5719706), (136, 2859853), (421, 923848), (842, 461924), (1684, 230962), (3368, 115481), (6793, 57256), (7157, 54344), (13586, 28628), (14314, 27172)]