220197964

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{14221}}^1$

素因数の和:14318

約数の個数: 36

約数和(自身を含む): 453966240

約数和(自身を除く): 233768276

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 2212, 3871, 7742, 14221, 15484, 28442, 56884, 99547, 199094, 398188, 696829, 1123459, 1393658, 2246918, 2787316, 4493836, 7864213, 15728426, 31456852, 55049491, 110098982, 220197964]

約数ペア:

[(1, 220197964), (2, 110098982), (4, 55049491), (7, 31456852), (14, 15728426), (28, 7864213), (49, 4493836), (79, 2787316), (98, 2246918), (158, 1393658), (196, 1123459), (316, 696829), (553, 398188), (1106, 199094), (2212, 99547), (3871, 56884), (7742, 28442), (14221, 15484)]