217466128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 80

約数和(自身を含む): 480504960

約数和(自身を除く): 263038832

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 137, 176, 232, 274, 311, 319, 464, 548, 622, 638, 1096, 1244, 1276, 1507, 2192, 2488, 2552, 3014, 3421, 3973, 4976, 5104, 6028, 6842, 7946, 9019, 12056, 13684, 15892, 18038, 24112, 27368, 31784, 36076, 42607, 43703, 54736, 63568, 72152, 85214, 87406, 99209, 144304, 170428, 174812, 198418, 340856, 349624, 396836, 468677, 681712, 699248, 793672, 937354, 1235603, 1587344, 1874708, 2471206, 3749416, 4942412, 7498832, 9884824, 13591633, 19769648, 27183266, 54366532, 108733064, 217466128]

約数ペア:

[(1, 217466128), (2, 108733064), (4, 54366532), (8, 27183266), (11, 19769648), (16, 13591633), (22, 9884824), (29, 7498832), (44, 4942412), (58, 3749416), (88, 2471206), (116, 1874708), (137, 1587344), (176, 1235603), (232, 937354), (274, 793672), (311, 699248), (319, 681712), (464, 468677), (548, 396836), (622, 349624), (638, 340856), (1096, 198418), (1244, 174812), (1276, 170428), (1507, 144304), (2192, 99209), (2488, 87406), (2552, 85214), (3014, 72152), (3421, 63568), (3973, 54736), (4976, 43703), (5104, 42607), (6028, 36076), (6842, 31784), (7946, 27368), (9019, 24112), (12056, 18038), (13684, 15892)]