16321788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 47523840

約数和(自身を除く): 31202052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 271, 478, 542, 717, 813, 956, 1084, 1434, 1626, 1673, 1897, 2151, 2439, 2868, 3252, 3346, 3794, 4302, 4878, 5019, 5691, 6692, 7588, 8604, 9756, 10038, 11382, 15057, 17073, 20076, 22764, 30114, 34146, 60228, 64769, 68292, 129538, 194307, 259076, 388614, 453383, 582921, 777228, 906766, 1165842, 1360149, 1813532, 2331684, 2720298, 4080447, 5440596, 8160894, 16321788]

約数ペア:

[(1, 16321788), (2, 8160894), (3, 5440596), (4, 4080447), (6, 2720298), (7, 2331684), (9, 1813532), (12, 1360149), (14, 1165842), (18, 906766), (21, 777228), (28, 582921), (36, 453383), (42, 388614), (63, 259076), (84, 194307), (126, 129538), (239, 68292), (252, 64769), (271, 60228), (478, 34146), (542, 30114), (717, 22764), (813, 20076), (956, 17073), (1084, 15057), (1434, 11382), (1626, 10038), (1673, 9756), (1897, 8604), (2151, 7588), (2439, 6692), (2868, 5691), (3252, 5019), (3346, 4878), (3794, 4302)]