212455964

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{13721}}^1$

素因数の和:13818

約数の個数: 36

約数和(自身を含む): 438006240

約数和(自身を除く): 225550276

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 13721, 15484, 27442, 54884, 96047, 192094, 384188, 672329, 1083959, 1344658, 2167918, 2689316, 4335836, 7587713, 15175426, 30350852, 53113991, 106227982, 212455964]

約数ペア:

[(1, 212455964), (2, 106227982), (4, 53113991), (7, 30350852), (14, 15175426), (28, 7587713), (49, 4335836), (79, 2689316), (98, 2167918), (158, 1344658), (196, 1083959), (316, 672329), (553, 384188), (1106, 192094), (2212, 96047), (3871, 54884), (7742, 27442), (13721, 15484)]