209277828

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1283}}^1$

素因数の和:1513

約数の個数: 72

約数和(自身を含む): 555242688

約数和(自身を除く): 345964860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 197, 207, 276, 394, 414, 591, 788, 828, 1182, 1283, 1773, 2364, 2566, 3546, 3849, 4531, 5132, 7092, 7698, 9062, 11547, 13593, 15396, 18124, 23094, 27186, 29509, 40779, 46188, 54372, 59018, 81558, 88527, 118036, 163116, 177054, 252751, 265581, 354108, 505502, 531162, 758253, 1011004, 1062324, 1516506, 2274759, 3033012, 4549518, 5813273, 9099036, 11626546, 17439819, 23253092, 34879638, 52319457, 69759276, 104638914, 209277828]

約数ペア:

[(1, 209277828), (2, 104638914), (3, 69759276), (4, 52319457), (6, 34879638), (9, 23253092), (12, 17439819), (18, 11626546), (23, 9099036), (36, 5813273), (46, 4549518), (69, 3033012), (92, 2274759), (138, 1516506), (197, 1062324), (207, 1011004), (276, 758253), (394, 531162), (414, 505502), (591, 354108), (788, 265581), (828, 252751), (1182, 177054), (1283, 163116), (1773, 118036), (2364, 88527), (2566, 81558), (3546, 59018), (3849, 54372), (4531, 46188), (5132, 40779), (7092, 29509), (7698, 27186), (9062, 23094), (11547, 18124), (13593, 15396)]