16228641

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 27110720

約数和(自身を除く): 10882079

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 121, 143, 181, 209, 247, 363, 429, 543, 627, 741, 1573, 1991, 2299, 2353, 2717, 3439, 4719, 5973, 6897, 7059, 8151, 10317, 21901, 25883, 29887, 37829, 44707, 65703, 77649, 89661, 113487, 134121, 284713, 416119, 491777, 854139, 1248357, 1475331, 5409547, 16228641]

約数ペア:

[(1, 16228641), (3, 5409547), (11, 1475331), (13, 1248357), (19, 854139), (33, 491777), (39, 416119), (57, 284713), (121, 134121), (143, 113487), (181, 89661), (209, 77649), (247, 65703), (363, 44707), (429, 37829), (543, 29887), (627, 25883), (741, 21901), (1573, 10317), (1991, 8151), (2299, 7059), (2353, 6897), (2717, 5973), (3439, 4719)]