219335974

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 72

約数和(自身を含む): 406558656

約数和(自身を除く): 187222682

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 121, 143, 169, 173, 242, 286, 338, 341, 346, 403, 682, 806, 1573, 1859, 1903, 2249, 3146, 3718, 3751, 3806, 4433, 4498, 5239, 5363, 7502, 8866, 10478, 10726, 20449, 20933, 24739, 29237, 40898, 41866, 48763, 49478, 57629, 58474, 58993, 69719, 97526, 115258, 117986, 139438, 272129, 321607, 544258, 633919, 643214, 648923, 766909, 906347, 1267838, 1297846, 1533818, 1812694, 3537677, 7075354, 8435999, 9969817, 16871998, 19939634, 109667987, 219335974]

約数ペア:

[(1, 219335974), (2, 109667987), (11, 19939634), (13, 16871998), (22, 9969817), (26, 8435999), (31, 7075354), (62, 3537677), (121, 1812694), (143, 1533818), (169, 1297846), (173, 1267838), (242, 906347), (286, 766909), (338, 648923), (341, 643214), (346, 633919), (403, 544258), (682, 321607), (806, 272129), (1573, 139438), (1859, 117986), (1903, 115258), (2249, 97526), (3146, 69719), (3718, 58993), (3751, 58474), (3806, 57629), (4433, 49478), (4498, 48763), (5239, 41866), (5363, 40898), (7502, 29237), (8866, 24739), (10478, 20933), (10726, 20449)]