81806796

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 215953920

約数和(自身を除く): 134147124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 127, 174, 254, 261, 348, 381, 508, 522, 617, 762, 1044, 1143, 1234, 1524, 1851, 2286, 2468, 3683, 3702, 4572, 5553, 7366, 7404, 11049, 11106, 14732, 17893, 22098, 22212, 33147, 35786, 44196, 53679, 66294, 71572, 78359, 107358, 132588, 156718, 161037, 214716, 235077, 313436, 322074, 470154, 644148, 705231, 940308, 1410462, 2272411, 2820924, 4544822, 6817233, 9089644, 13634466, 20451699, 27268932, 40903398, 81806796]

約数ペア:

[(1, 81806796), (2, 40903398), (3, 27268932), (4, 20451699), (6, 13634466), (9, 9089644), (12, 6817233), (18, 4544822), (29, 2820924), (36, 2272411), (58, 1410462), (87, 940308), (116, 705231), (127, 644148), (174, 470154), (254, 322074), (261, 313436), (348, 235077), (381, 214716), (508, 161037), (522, 156718), (617, 132588), (762, 107358), (1044, 78359), (1143, 71572), (1234, 66294), (1524, 53679), (1851, 44196), (2286, 35786), (2468, 33147), (3683, 22212), (3702, 22098), (4572, 17893), (5553, 14732), (7366, 11106), (7404, 11049)]