81879854

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{953}}^1$

素因数の和:1017

約数の個数: 48

約数和(自身を含む): 157020768

約数和(自身を除く): 75140914

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 361, 646, 722, 953, 1906, 2261, 2527, 4522, 5054, 6137, 6671, 12274, 13342, 16201, 18107, 32402, 36214, 42959, 85918, 113407, 126749, 226814, 253498, 307819, 344033, 615638, 688066, 2154733, 2408231, 4309466, 4816462, 5848561, 11697122, 40939927, 81879854]

約数ペア:

[(1, 81879854), (2, 40939927), (7, 11697122), (14, 5848561), (17, 4816462), (19, 4309466), (34, 2408231), (38, 2154733), (119, 688066), (133, 615638), (238, 344033), (266, 307819), (323, 253498), (361, 226814), (646, 126749), (722, 113407), (953, 85918), (1906, 42959), (2261, 36214), (2527, 32402), (4522, 18107), (5054, 16201), (6137, 13342), (6671, 12274)]