217876516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16561}}^1$

素因数の和:16612

約数の個数: 48

約数和(自身を含む): 467445888

約数和(自身を除く): 249569372

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 143, 253, 286, 299, 506, 572, 598, 1012, 1196, 3289, 6578, 13156, 16561, 33122, 66244, 182171, 215293, 364342, 380903, 430586, 728684, 761806, 861172, 1523612, 2368223, 4189933, 4736446, 4951739, 8379866, 9472892, 9903478, 16759732, 19806956, 54469129, 108938258, 217876516]

約数ペア:

[(1, 217876516), (2, 108938258), (4, 54469129), (11, 19806956), (13, 16759732), (22, 9903478), (23, 9472892), (26, 8379866), (44, 4951739), (46, 4736446), (52, 4189933), (92, 2368223), (143, 1523612), (253, 861172), (286, 761806), (299, 728684), (506, 430586), (572, 380903), (598, 364342), (1012, 215293), (1196, 182171), (3289, 66244), (6578, 33122), (13156, 16561)]