217491912

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 446060088

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 108, 132, 198, 216, 239, 264, 297, 383, 396, 478, 594, 717, 766, 792, 956, 1149, 1188, 1434, 1532, 1912, 2151, 2298, 2376, 2629, 2868, 3064, 3447, 4213, 4302, 4596, 5258, 5736, 6453, 6894, 7887, 8426, 8604, 9192, 10341, 10516, 12639, 12906, 13788, 15774, 16852, 17208, 20682, 21032, 23661, 25278, 25812, 27576, 31548, 33704, 37917, 41364, 47322, 50556, 51624, 63096, 70983, 75834, 82728, 91537, 94644, 101112, 113751, 141966, 151668, 183074, 189288, 227502, 274611, 283932, 303336, 366148, 455004, 549222, 567864, 732296, 823833, 910008, 1006907, 1098444, 1647666, 2013814, 2196888, 2471499, 3020721, 3295332, 4027628, 4942998, 6041442, 6590664, 8055256, 9062163, 9885996, 12082884, 18124326, 19771992, 24165768, 27186489, 36248652, 54372978, 72497304, 108745956, 217491912]

約数ペア:

[(1, 217491912), (2, 108745956), (3, 72497304), (4, 54372978), (6, 36248652), (8, 27186489), (9, 24165768), (11, 19771992), (12, 18124326), (18, 12082884), (22, 9885996), (24, 9062163), (27, 8055256), (33, 6590664), (36, 6041442), (44, 4942998), (54, 4027628), (66, 3295332), (72, 3020721), (88, 2471499), (99, 2196888), (108, 2013814), (132, 1647666), (198, 1098444), (216, 1006907), (239, 910008), (264, 823833), (297, 732296), (383, 567864), (396, 549222), (478, 455004), (594, 366148), (717, 303336), (766, 283932), (792, 274611), (956, 227502), (1149, 189288), (1188, 183074), (1434, 151668), (1532, 141966), (1912, 113751), (2151, 101112), (2298, 94644), (2376, 91537), (2629, 82728), (2868, 75834), (3064, 70983), (3447, 63096), (4213, 51624), (4302, 50556), (4596, 47322), (5258, 41364), (5736, 37917), (6453, 33704), (6894, 31548), (7887, 27576), (8426, 25812), (8604, 25278), (9192, 23661), (10341, 21032), (10516, 20682), (12639, 17208), (12906, 16852), (13788, 15774)]