89199990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8226

約数の個数: 72

約数和(自身を含む): 254951424

約数和(自身を除く): 165751434

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1815, 2178, 3630, 5445, 8191, 10890, 16382, 24573, 40955, 49146, 73719, 81910, 90101, 122865, 147438, 180202, 245730, 270303, 368595, 450505, 540606, 737190, 810909, 901010, 991111, 1351515, 1621818, 1982222, 2703030, 2973333, 4054545, 4955555, 5946666, 8109090, 8919999, 9911110, 14866665, 17839998, 29733330, 44599995, 89199990]

約数ペア:

[(1, 89199990), (2, 44599995), (3, 29733330), (5, 17839998), (6, 14866665), (9, 9911110), (10, 8919999), (11, 8109090), (15, 5946666), (18, 4955555), (22, 4054545), (30, 2973333), (33, 2703030), (45, 1982222), (55, 1621818), (66, 1351515), (90, 991111), (99, 901010), (110, 810909), (121, 737190), (165, 540606), (198, 450505), (242, 368595), (330, 270303), (363, 245730), (495, 180202), (605, 147438), (726, 122865), (990, 90101), (1089, 81910), (1210, 73719), (1815, 49146), (2178, 40955), (3630, 24573), (5445, 16382), (8191, 10890)]