28420812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3889}}^1$

素因数の和:3935

約数の個数: 72

約数和(自身を含む): 84957600

約数和(自身を除く): 56536788

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 3889, 7308, 7778, 11667, 15556, 23334, 27223, 35001, 46668, 54446, 70002, 81669, 108892, 112781, 140004, 163338, 225562, 245007, 326676, 338343, 451124, 490014, 676686, 789467, 980028, 1015029, 1353372, 1578934, 2030058, 2368401, 3157868, 4060116, 4736802, 7105203, 9473604, 14210406, 28420812]

約数ペア:

[(1, 28420812), (2, 14210406), (3, 9473604), (4, 7105203), (6, 4736802), (7, 4060116), (9, 3157868), (12, 2368401), (14, 2030058), (18, 1578934), (21, 1353372), (28, 1015029), (29, 980028), (36, 789467), (42, 676686), (58, 490014), (63, 451124), (84, 338343), (87, 326676), (116, 245007), (126, 225562), (174, 163338), (203, 140004), (252, 112781), (261, 108892), (348, 81669), (406, 70002), (522, 54446), (609, 46668), (812, 35001), (1044, 27223), (1218, 23334), (1827, 15556), (2436, 11667), (3654, 7778), (3889, 7308)]