40891378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 70336512

約数和(自身を除く): 29445134

約数列:

[1, 2, 11, 22, 23, 46, 211, 253, 383, 422, 506, 766, 2321, 4213, 4642, 4853, 8426, 8809, 9706, 17618, 53383, 80813, 96899, 106766, 161626, 193798, 888943, 1777886, 1858699, 3717398, 20445689, 40891378]

約数ペア:

[(1, 40891378), (2, 20445689), (11, 3717398), (22, 1858699), (23, 1777886), (46, 888943), (211, 193798), (253, 161626), (383, 106766), (422, 96899), (506, 80813), (766, 53383), (2321, 17618), (4213, 9706), (4642, 8809), (4853, 8426)]