390936722

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{41}}^2$

素因数の和:168

約数の個数: 54

約数和(自身を含む): 682664661

約数和(自身を除く): 291727939

約数列:

[1, 2, 11, 22, 31, 41, 62, 82, 121, 242, 341, 451, 682, 902, 961, 1271, 1681, 1922, 2542, 3362, 3751, 4961, 7502, 9922, 10571, 13981, 18491, 21142, 27962, 36982, 39401, 52111, 78802, 104222, 116281, 153791, 203401, 232562, 307582, 406802, 433411, 573221, 866822, 1146442, 1615441, 3230882, 4767521, 6305431, 9535042, 12610862, 17769851, 35539702, 195468361, 390936722]

約数ペア:

[(1, 390936722), (2, 195468361), (11, 35539702), (22, 17769851), (31, 12610862), (41, 9535042), (62, 6305431), (82, 4767521), (121, 3230882), (242, 1615441), (341, 1146442), (451, 866822), (682, 573221), (902, 433411), (961, 406802), (1271, 307582), (1681, 232562), (1922, 203401), (2542, 153791), (3362, 116281), (3751, 104222), (4961, 78802), (7502, 52111), (9922, 39401), (10571, 36982), (13981, 27962), (18491, 21142)]