16981552

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 39933952

約数和(自身を除く): 22952400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 67, 73, 112, 124, 134, 146, 217, 248, 268, 292, 434, 469, 496, 511, 536, 584, 868, 938, 1022, 1072, 1168, 1736, 1876, 2044, 2077, 2263, 3472, 3752, 4088, 4154, 4526, 4891, 7504, 8176, 8308, 9052, 9782, 14539, 15841, 16616, 18104, 19564, 29078, 31682, 33232, 34237, 36208, 39128, 58156, 63364, 68474, 78256, 116312, 126728, 136948, 151621, 232624, 253456, 273896, 303242, 547792, 606484, 1061347, 1212968, 2122694, 2425936, 4245388, 8490776, 16981552]

約数ペア:

[(1, 16981552), (2, 8490776), (4, 4245388), (7, 2425936), (8, 2122694), (14, 1212968), (16, 1061347), (28, 606484), (31, 547792), (56, 303242), (62, 273896), (67, 253456), (73, 232624), (112, 151621), (124, 136948), (134, 126728), (146, 116312), (217, 78256), (248, 68474), (268, 63364), (292, 58156), (434, 39128), (469, 36208), (496, 34237), (511, 33232), (536, 31682), (584, 29078), (868, 19564), (938, 18104), (1022, 16616), (1072, 15841), (1168, 14539), (1736, 9782), (1876, 9052), (2044, 8308), (2077, 8176), (2263, 7504), (3472, 4891), (3752, 4526), (4088, 4154)]