218613752

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63997}}^1$

素因数の和:64071

約数の個数: 32

約数和(自身を含む): 476145120

約数和(自身を除く): 257531368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 63997, 127994, 255988, 447979, 511976, 895958, 1791916, 3583832, 3903817, 7807634, 15615268, 27326719, 31230536, 54653438, 109306876, 218613752]

約数ペア:

[(1, 218613752), (2, 109306876), (4, 54653438), (7, 31230536), (8, 27326719), (14, 15615268), (28, 7807634), (56, 3903817), (61, 3583832), (122, 1791916), (244, 895958), (427, 511976), (488, 447979), (854, 255988), (1708, 127994), (3416, 63997)]