220138864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{65831}}^1$

素因数の和:65869

約数の個数: 40

約数和(自身を含む): 489790080

約数和(自身を除く): 269651216

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 65831, 131662, 263324, 526648, 724141, 1053296, 1250789, 1448282, 2501578, 2896564, 5003156, 5793128, 10006312, 11586256, 13758679, 20012624, 27517358, 55034716, 110069432, 220138864]

約数ペア:

[(1, 220138864), (2, 110069432), (4, 55034716), (8, 27517358), (11, 20012624), (16, 13758679), (19, 11586256), (22, 10006312), (38, 5793128), (44, 5003156), (76, 2896564), (88, 2501578), (152, 1448282), (176, 1250789), (209, 1053296), (304, 724141), (418, 526648), (836, 263324), (1672, 131662), (3344, 65831)]