218228738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1491

約数の個数: 64

約数和(自身を含む): 432069120

約数和(自身を除く): 213840382

約数列:

[1, 2, 7, 13, 14, 23, 26, 37, 46, 74, 91, 161, 182, 259, 299, 322, 481, 518, 598, 851, 962, 1409, 1702, 2093, 2818, 3367, 4186, 5957, 6734, 9863, 11063, 11914, 18317, 19726, 22126, 32407, 36634, 52133, 64814, 77441, 104266, 128219, 154882, 226849, 256438, 364931, 421291, 453698, 677729, 729862, 842582, 1199059, 1355458, 2398118, 2949037, 4744103, 5898074, 8393413, 9488206, 15587767, 16786826, 31175534, 109114369, 218228738]

約数ペア:

[(1, 218228738), (2, 109114369), (7, 31175534), (13, 16786826), (14, 15587767), (23, 9488206), (26, 8393413), (37, 5898074), (46, 4744103), (74, 2949037), (91, 2398118), (161, 1355458), (182, 1199059), (259, 842582), (299, 729862), (322, 677729), (481, 453698), (518, 421291), (598, 364931), (851, 256438), (962, 226849), (1409, 154882), (1702, 128219), (2093, 104266), (2818, 77441), (3367, 64814), (4186, 52133), (5957, 36634), (6734, 32407), (9863, 22126), (11063, 19726), (11914, 18317)]