1288392848

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{2713}}^1$

素因数の和:3231

約数の個数: 40

約数和(自身を含む): 2540173728

約数和(自身を除く): 1251780880

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 443, 536, 886, 1072, 1772, 2713, 3544, 5426, 7088, 10852, 21704, 29681, 43408, 59362, 118724, 181771, 237448, 363542, 474896, 727084, 1201859, 1454168, 2403718, 2908336, 4807436, 9614872, 19229744, 80524553, 161049106, 322098212, 644196424, 1288392848]

約数ペア:

[(1, 1288392848), (2, 644196424), (4, 322098212), (8, 161049106), (16, 80524553), (67, 19229744), (134, 9614872), (268, 4807436), (443, 2908336), (536, 2403718), (886, 1454168), (1072, 1201859), (1772, 727084), (2713, 474896), (3544, 363542), (5426, 237448), (7088, 181771), (10852, 118724), (21704, 59362), (29681, 43408)]