80472868

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 165400704

約数和(自身を除く): 84927836

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 211, 212, 257, 371, 422, 514, 742, 844, 1028, 1477, 1484, 1799, 2954, 3598, 5908, 7196, 11183, 13621, 22366, 27242, 44732, 54227, 54484, 78281, 95347, 108454, 156562, 190694, 216908, 313124, 379589, 381388, 759178, 1518356, 2874031, 5748062, 11496124, 20118217, 40236434, 80472868]

約数ペア:

[(1, 80472868), (2, 40236434), (4, 20118217), (7, 11496124), (14, 5748062), (28, 2874031), (53, 1518356), (106, 759178), (211, 381388), (212, 379589), (257, 313124), (371, 216908), (422, 190694), (514, 156562), (742, 108454), (844, 95347), (1028, 78281), (1477, 54484), (1484, 54227), (1799, 44732), (2954, 27242), (3598, 22366), (5908, 13621), (7196, 11183)]