16690428

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 45385200

約数和(自身を除く): 28694772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 73, 87, 108, 116, 146, 174, 219, 261, 292, 348, 438, 522, 657, 783, 876, 1044, 1314, 1566, 1971, 2117, 2628, 3132, 3942, 4234, 5329, 6351, 7884, 8468, 10658, 12702, 15987, 19053, 21316, 25404, 31974, 38106, 47961, 57159, 63948, 76212, 95922, 114318, 143883, 154541, 191844, 228636, 287766, 309082, 463623, 575532, 618164, 927246, 1390869, 1854492, 2781738, 4172607, 5563476, 8345214, 16690428]

約数ペア:

[(1, 16690428), (2, 8345214), (3, 5563476), (4, 4172607), (6, 2781738), (9, 1854492), (12, 1390869), (18, 927246), (27, 618164), (29, 575532), (36, 463623), (54, 309082), (58, 287766), (73, 228636), (87, 191844), (108, 154541), (116, 143883), (146, 114318), (174, 95922), (219, 76212), (261, 63948), (292, 57159), (348, 47961), (438, 38106), (522, 31974), (657, 25404), (783, 21316), (876, 19053), (1044, 15987), (1314, 12702), (1566, 10658), (1971, 8468), (2117, 7884), (2628, 6351), (3132, 5329), (3942, 4234)]