81736308

素因数分解:

$2^2\times 3^2\times {\mathrm{421}}^1\times {\mathrm{5393}}^1$

素因数の和:5824

約数の個数: 36

約数和(自身を含む): 207140388

約数和(自身を除く): 125404080

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 421, 842, 1263, 1684, 2526, 3789, 5052, 5393, 7578, 10786, 15156, 16179, 21572, 32358, 48537, 64716, 97074, 194148, 2270453, 4540906, 6811359, 9081812, 13622718, 20434077, 27245436, 40868154, 81736308]

約数ペア:

[(1, 81736308), (2, 40868154), (3, 27245436), (4, 20434077), (6, 13622718), (9, 9081812), (12, 6811359), (18, 4540906), (36, 2270453), (421, 194148), (842, 97074), (1263, 64716), (1684, 48537), (2526, 32358), (3789, 21572), (5052, 16179), (5393, 15156), (7578, 10786)]