220157888

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{11903}}^1$

素因数の和:11949

約数の個数: 42

約数和(自身を含む): 464125056

約数和(自身を除く): 243967168

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 289, 544, 578, 1088, 1156, 2312, 4624, 9248, 11903, 18496, 23806, 47612, 95224, 190448, 202351, 380896, 404702, 761792, 809404, 1618808, 3237616, 3439967, 6475232, 6879934, 12950464, 13759868, 27519736, 55039472, 110078944, 220157888]

約数ペア:

[(1, 220157888), (2, 110078944), (4, 55039472), (8, 27519736), (16, 13759868), (17, 12950464), (32, 6879934), (34, 6475232), (64, 3439967), (68, 3237616), (136, 1618808), (272, 809404), (289, 761792), (544, 404702), (578, 380896), (1088, 202351), (1156, 190448), (2312, 95224), (4624, 47612), (9248, 23806), (11903, 18496)]