28821708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1453}}^1$

素因数の和:1511

約数の個数: 72

約数和(自身を含む): 79388400

約数和(自身を除く): 50566692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1453, 1653, 2204, 2906, 3306, 4359, 4959, 5812, 6612, 8718, 9918, 13077, 17436, 19836, 26154, 27607, 42137, 52308, 55214, 82821, 84274, 110428, 126411, 165642, 168548, 248463, 252822, 331284, 379233, 496926, 505644, 758466, 800603, 993852, 1516932, 1601206, 2401809, 3202412, 4803618, 7205427, 9607236, 14410854, 28821708]

約数ペア:

[(1, 28821708), (2, 14410854), (3, 9607236), (4, 7205427), (6, 4803618), (9, 3202412), (12, 2401809), (18, 1601206), (19, 1516932), (29, 993852), (36, 800603), (38, 758466), (57, 505644), (58, 496926), (76, 379233), (87, 331284), (114, 252822), (116, 248463), (171, 168548), (174, 165642), (228, 126411), (261, 110428), (342, 84274), (348, 82821), (522, 55214), (551, 52308), (684, 42137), (1044, 27607), (1102, 26154), (1453, 19836), (1653, 17436), (2204, 13077), (2906, 9918), (3306, 8718), (4359, 6612), (4959, 5812)]