278350558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{24421}}^1$

素因数の和:24603

約数の個数: 16

約数和(自身を含む): 430804080

約数和(自身を除く): 152453522

約数列:

[1, 2, 41, 82, 139, 278, 5699, 11398, 24421, 48842, 1001261, 2002522, 3394519, 6789038, 139175279, 278350558]

約数ペア:

[(1, 278350558), (2, 139175279), (41, 6789038), (82, 3394519), (139, 2002522), (278, 1001261), (5699, 48842), (11398, 24421)]