998156944

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{142757}}^1$

素因数の和:142807

約数の個数: 40

約数和(自身を含む): 2124239040

約数和(自身を除く): 1126082096

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3496, 6992, 142757, 285514, 571028, 1142056, 2284112, 2712383, 3283411, 5424766, 6566822, 10849532, 13133644, 21699064, 26267288, 43398128, 52534576, 62384809, 124769618, 249539236, 499078472, 998156944]

約数ペア:

[(1, 998156944), (2, 499078472), (4, 249539236), (8, 124769618), (16, 62384809), (19, 52534576), (23, 43398128), (38, 26267288), (46, 21699064), (76, 13133644), (92, 10849532), (152, 6566822), (184, 5424766), (304, 3283411), (368, 2712383), (437, 2284112), (874, 1142056), (1748, 571028), (3496, 285514), (6992, 142757)]