128788884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17623}}^1$

素因数の和:17669

約数の個数: 72

約数和(自身を含む): 384908160

約数和(自身を除く): 256119276

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, 7308, 17623, 35246, 52869, 70492, 105738, 123361, 158607, 211476, 246722, 317214, 370083, 493444, 511067, 634428, 740166, 1022134, 1110249, 1480332, 1533201, 2044268, 2220498, 3066402, 3577469, 4440996, 4599603, 6132804, 7154938, 9199206, 10732407, 14309876, 18398412, 21464814, 32197221, 42929628, 64394442, 128788884]

約数ペア:

[(1, 128788884), (2, 64394442), (3, 42929628), (4, 32197221), (6, 21464814), (7, 18398412), (9, 14309876), (12, 10732407), (14, 9199206), (18, 7154938), (21, 6132804), (28, 4599603), (29, 4440996), (36, 3577469), (42, 3066402), (58, 2220498), (63, 2044268), (84, 1533201), (87, 1480332), (116, 1110249), (126, 1022134), (174, 740166), (203, 634428), (252, 511067), (261, 493444), (348, 370083), (406, 317214), (522, 246722), (609, 211476), (812, 158607), (1044, 123361), (1218, 105738), (1827, 70492), (2436, 52869), (3654, 35246), (7308, 17623)]