81625808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{7603}}^1$

素因数の和:7683

約数の個数: 40

約数和(自身を含む): 175378656

約数和(自身を除く): 93752848

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 2684, 5368, 7603, 10736, 15206, 30412, 60824, 83633, 121648, 167266, 334532, 463783, 669064, 927566, 1338128, 1855132, 3710264, 5101613, 7420528, 10203226, 20406452, 40812904, 81625808]

約数ペア:

[(1, 81625808), (2, 40812904), (4, 20406452), (8, 10203226), (11, 7420528), (16, 5101613), (22, 3710264), (44, 1855132), (61, 1338128), (88, 927566), (122, 669064), (176, 463783), (244, 334532), (488, 167266), (671, 121648), (976, 83633), (1342, 60824), (2684, 30412), (5368, 15206), (7603, 10736)]