81972688

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5503}}^1$

素因数の和:5544

約数の個数: 60

約数和(自身を含む): 194511360

約数和(自身を除く): 112538672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 5503, 7448, 11006, 14896, 22012, 38521, 44024, 77042, 88048, 104557, 154084, 209114, 269647, 308168, 418228, 539294, 616336, 731899, 836456, 1078588, 1463798, 1672912, 2157176, 2927596, 4314352, 5123293, 5855192, 10246586, 11710384, 20493172, 40986344, 81972688]

約数ペア:

[(1, 81972688), (2, 40986344), (4, 20493172), (7, 11710384), (8, 10246586), (14, 5855192), (16, 5123293), (19, 4314352), (28, 2927596), (38, 2157176), (49, 1672912), (56, 1463798), (76, 1078588), (98, 836456), (112, 731899), (133, 616336), (152, 539294), (196, 418228), (266, 308168), (304, 269647), (392, 209114), (532, 154084), (784, 104557), (931, 88048), (1064, 77042), (1862, 44024), (2128, 38521), (3724, 22012), (5503, 14896), (7448, 11006)]