821878706

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4831}}^1$

素因数の和:4911

約数の個数: 48

約数和(自身を含む): 1465255680

約数和(自身を除く): 643376974

約数列:

[1, 2, 11, 19, 22, 37, 38, 74, 121, 209, 242, 407, 418, 703, 814, 1406, 2299, 4477, 4598, 4831, 7733, 8954, 9662, 15466, 53141, 85063, 91789, 106282, 170126, 178747, 183578, 357494, 584551, 1009679, 1169102, 1966217, 2019358, 3396193, 3932434, 6792386, 11106469, 21628387, 22212938, 37358123, 43256774, 74716246, 410939353, 821878706]

約数ペア:

[(1, 821878706), (2, 410939353), (11, 74716246), (19, 43256774), (22, 37358123), (37, 22212938), (38, 21628387), (74, 11106469), (121, 6792386), (209, 3932434), (242, 3396193), (407, 2019358), (418, 1966217), (703, 1169102), (814, 1009679), (1406, 584551), (2299, 357494), (4477, 183578), (4598, 178747), (4831, 170126), (7733, 106282), (8954, 91789), (9662, 85063), (15466, 53141)]