7221328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 14999040

約数和(自身を除く): 7777712

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 191, 272, 278, 382, 556, 764, 1112, 1528, 2224, 2363, 3056, 3247, 4726, 6494, 9452, 12988, 18904, 25976, 26549, 37808, 51952, 53098, 106196, 212392, 424784, 451333, 902666, 1805332, 3610664, 7221328]

約数ペア:

[(1, 7221328), (2, 3610664), (4, 1805332), (8, 902666), (16, 451333), (17, 424784), (34, 212392), (68, 106196), (136, 53098), (139, 51952), (191, 37808), (272, 26549), (278, 25976), (382, 18904), (556, 12988), (764, 9452), (1112, 6494), (1528, 4726), (2224, 3247), (2363, 3056)]