217348516

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{100811}}^1$

素因数の和:100840

約数の個数: 36

約数和(自身を含む): 482687856

約数和(自身を除く): 265339340

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 100811, 201622, 403244, 705677, 1108921, 1411354, 2217842, 2822708, 4435684, 4939739, 7762447, 9879478, 15524894, 19758956, 31049788, 54337129, 108674258, 217348516]

約数ペア:

[(1, 217348516), (2, 108674258), (4, 54337129), (7, 31049788), (11, 19758956), (14, 15524894), (22, 9879478), (28, 7762447), (44, 4939739), (49, 4435684), (77, 2822708), (98, 2217842), (154, 1411354), (196, 1108921), (308, 705677), (539, 403244), (1078, 201622), (2156, 100811)]