1440868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 2997820

約数和(自身を除く): 1556952

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 229, 242, 286, 458, 484, 572, 916, 1573, 2519, 2977, 3146, 5038, 5954, 6292, 10076, 11908, 27709, 32747, 55418, 65494, 110836, 130988, 360217, 720434, 1440868]

約数ペア:

[(1, 1440868), (2, 720434), (4, 360217), (11, 130988), (13, 110836), (22, 65494), (26, 55418), (44, 32747), (52, 27709), (121, 11908), (143, 10076), (229, 6292), (242, 5954), (286, 5038), (458, 3146), (484, 2977), (572, 2519), (916, 1573)]