15985112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 35834400

約数和(自身を除く): 19849288

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 89, 104, 143, 157, 178, 286, 314, 356, 572, 628, 712, 979, 1144, 1157, 1256, 1727, 1958, 2041, 2314, 3454, 3916, 4082, 4628, 6908, 7832, 8164, 9256, 12727, 13816, 13973, 16328, 22451, 25454, 27946, 44902, 50908, 55892, 89804, 101816, 111784, 153703, 179608, 181649, 307406, 363298, 614812, 726596, 1229624, 1453192, 1998139, 3996278, 7992556, 15985112]

約数ペア:

[(1, 15985112), (2, 7992556), (4, 3996278), (8, 1998139), (11, 1453192), (13, 1229624), (22, 726596), (26, 614812), (44, 363298), (52, 307406), (88, 181649), (89, 179608), (104, 153703), (143, 111784), (157, 101816), (178, 89804), (286, 55892), (314, 50908), (356, 44902), (572, 27946), (628, 25454), (712, 22451), (979, 16328), (1144, 13973), (1157, 13816), (1256, 12727), (1727, 9256), (1958, 8164), (2041, 7832), (2314, 6908), (3454, 4628), (3916, 4082)]