208951208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{17401}}^1$

素因数の和:17505

約数の個数: 32

約数和(自身を含む): 417648000

約数和(自身を除く): 208696792

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 3002, 6004, 12008, 17401, 34802, 69604, 139208, 330619, 661238, 1322476, 1374679, 2644952, 2749358, 5498716, 10997432, 26118901, 52237802, 104475604, 208951208]

約数ペア:

[(1, 208951208), (2, 104475604), (4, 52237802), (8, 26118901), (19, 10997432), (38, 5498716), (76, 2749358), (79, 2644952), (152, 1374679), (158, 1322476), (316, 661238), (632, 330619), (1501, 139208), (3002, 69604), (6004, 34802), (12008, 17401)]