7642446

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 18808320

約数和(自身を除く): 11165874

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 157, 183, 266, 314, 366, 399, 427, 471, 798, 854, 942, 1099, 1159, 1281, 2198, 2318, 2562, 2983, 3297, 3477, 5966, 6594, 6954, 8113, 8949, 9577, 16226, 17898, 19154, 20881, 24339, 28731, 41762, 48678, 57462, 62643, 67039, 125286, 134078, 181963, 201117, 363926, 402234, 545889, 1091778, 1273741, 2547482, 3821223, 7642446]

約数ペア:

[(1, 7642446), (2, 3821223), (3, 2547482), (6, 1273741), (7, 1091778), (14, 545889), (19, 402234), (21, 363926), (38, 201117), (42, 181963), (57, 134078), (61, 125286), (114, 67039), (122, 62643), (133, 57462), (157, 48678), (183, 41762), (266, 28731), (314, 24339), (366, 20881), (399, 19154), (427, 17898), (471, 16226), (798, 9577), (854, 8949), (942, 8113), (1099, 6954), (1159, 6594), (1281, 5966), (2198, 3477), (2318, 3297), (2562, 2983)]