81697462

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 160174080

約数和(自身を除く): 78476618

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 109, 154, 157, 217, 218, 314, 341, 434, 682, 763, 1099, 1199, 1526, 1727, 2198, 2387, 2398, 3379, 3454, 4774, 4867, 6758, 8393, 9734, 12089, 16786, 17113, 23653, 24178, 34069, 34226, 37169, 47306, 53537, 68138, 74338, 107074, 119791, 188243, 239582, 260183, 374759, 376486, 520366, 530503, 749518, 1061006, 1317701, 2635402, 3713521, 5835533, 7427042, 11671066, 40848731, 81697462]

約数ペア:

[(1, 81697462), (2, 40848731), (7, 11671066), (11, 7427042), (14, 5835533), (22, 3713521), (31, 2635402), (62, 1317701), (77, 1061006), (109, 749518), (154, 530503), (157, 520366), (217, 376486), (218, 374759), (314, 260183), (341, 239582), (434, 188243), (682, 119791), (763, 107074), (1099, 74338), (1199, 68138), (1526, 53537), (1727, 47306), (2198, 37169), (2387, 34226), (2398, 34069), (3379, 24178), (3454, 23653), (4774, 17113), (4867, 16786), (6758, 12089), (8393, 9734)]