220640518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 419445504

約数和(自身を除く): 198804986

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 289, 322, 391, 578, 782, 2023, 2371, 2737, 4046, 4742, 5474, 6647, 13294, 16597, 33194, 40307, 46529, 54533, 80614, 93058, 109066, 282149, 381731, 564298, 685219, 763462, 927061, 1370438, 1854122, 4796533, 6489427, 9593066, 12978854, 15760037, 31520074, 110320259, 220640518]

約数ペア:

[(1, 220640518), (2, 110320259), (7, 31520074), (14, 15760037), (17, 12978854), (23, 9593066), (34, 6489427), (46, 4796533), (119, 1854122), (161, 1370438), (238, 927061), (289, 763462), (322, 685219), (391, 564298), (578, 381731), (782, 282149), (2023, 109066), (2371, 93058), (2737, 80614), (4046, 54533), (4742, 46529), (5474, 40307), (6647, 33194), (13294, 16597)]