219724528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3365

約数の個数: 40

約数和(自身を含む): 442749440

約数和(自身を除く): 223024912

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 3187, 4309, 6374, 8618, 12748, 17236, 25496, 34472, 50992, 68944, 98797, 197594, 395188, 442993, 790376, 885986, 1580752, 1771972, 3543944, 7087888, 13732783, 27465566, 54931132, 109862264, 219724528]

約数ペア:

[(1, 219724528), (2, 109862264), (4, 54931132), (8, 27465566), (16, 13732783), (31, 7087888), (62, 3543944), (124, 1771972), (139, 1580752), (248, 885986), (278, 790376), (496, 442993), (556, 395188), (1112, 197594), (2224, 98797), (3187, 68944), (4309, 50992), (6374, 34472), (8618, 25496), (12748, 17236)]