31618998

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2749}}^1$

素因数の和:2834

約数の個数: 40

約数和(自身を含む): 71874000

約数和(自身を除く): 40255002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2749, 3834, 5498, 5751, 8247, 11502, 16494, 24741, 49482, 74223, 148446, 195179, 222669, 390358, 445338, 585537, 1171074, 1756611, 3513222, 5269833, 10539666, 15809499, 31618998]

約数ペア:

[(1, 31618998), (2, 15809499), (3, 10539666), (6, 5269833), (9, 3513222), (18, 1756611), (27, 1171074), (54, 585537), (71, 445338), (81, 390358), (142, 222669), (162, 195179), (213, 148446), (426, 74223), (639, 49482), (1278, 24741), (1917, 16494), (2749, 11502), (3834, 8247), (5498, 5751)]