128742416

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8219}}^1$

素因数の和:8327

約数の個数: 40

約数和(自身を含む): 275205600

約数和(自身を除く): 146463184

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 8219, 15664, 16438, 32876, 65752, 90409, 131504, 180818, 361636, 723272, 731491, 1446544, 1462982, 2925964, 5851928, 8046401, 11703856, 16092802, 32185604, 64371208, 128742416]

約数ペア:

[(1, 128742416), (2, 64371208), (4, 32185604), (8, 16092802), (11, 11703856), (16, 8046401), (22, 5851928), (44, 2925964), (88, 1462982), (89, 1446544), (176, 731491), (178, 723272), (356, 361636), (712, 180818), (979, 131504), (1424, 90409), (1958, 65752), (3916, 32876), (7832, 16438), (8219, 15664)]