209218994

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 354860352

約数和(自身を除く): 145641358

約数列:

[1, 2, 19, 23, 38, 43, 46, 86, 293, 361, 437, 586, 722, 817, 874, 989, 1634, 1978, 5567, 6739, 8303, 11134, 12599, 13478, 15523, 16606, 18791, 25198, 31046, 37582, 105773, 128041, 211546, 239381, 256082, 289777, 357029, 478762, 579554, 714058, 2432779, 4548239, 4865558, 5505763, 9096478, 11011526, 104609497, 209218994]

約数ペア:

[(1, 209218994), (2, 104609497), (19, 11011526), (23, 9096478), (38, 5505763), (43, 4865558), (46, 4548239), (86, 2432779), (293, 714058), (361, 579554), (437, 478762), (586, 357029), (722, 289777), (817, 256082), (874, 239381), (989, 211546), (1634, 128041), (1978, 105773), (5567, 37582), (6739, 31046), (8303, 25198), (11134, 18791), (12599, 16606), (13478, 15523)]