161788716

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5281}}^1$

素因数の和:5351

約数の個数: 72

約数和(自身を含む): 438363744

約数和(自身を除く): 276575028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 37, 46, 69, 74, 92, 111, 138, 148, 207, 222, 276, 333, 414, 444, 666, 828, 851, 1332, 1702, 2553, 3404, 5106, 5281, 7659, 10212, 10562, 15318, 15843, 21124, 30636, 31686, 47529, 63372, 95058, 121463, 190116, 195397, 242926, 364389, 390794, 485852, 586191, 728778, 781588, 1093167, 1172382, 1457556, 1758573, 2186334, 2344764, 3517146, 4372668, 4494131, 7034292, 8988262, 13482393, 17976524, 26964786, 40447179, 53929572, 80894358, 161788716]

約数ペア:

[(1, 161788716), (2, 80894358), (3, 53929572), (4, 40447179), (6, 26964786), (9, 17976524), (12, 13482393), (18, 8988262), (23, 7034292), (36, 4494131), (37, 4372668), (46, 3517146), (69, 2344764), (74, 2186334), (92, 1758573), (111, 1457556), (138, 1172382), (148, 1093167), (207, 781588), (222, 728778), (276, 586191), (333, 485852), (414, 390794), (444, 364389), (666, 242926), (828, 195397), (851, 190116), (1332, 121463), (1702, 95058), (2553, 63372), (3404, 47529), (5106, 31686), (5281, 30636), (7659, 21124), (10212, 15843), (10562, 15318)]