16788856

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 22379144

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 509, 532, 589, 868, 1018, 1064, 1178, 1736, 2036, 2356, 3563, 4072, 4123, 4712, 7126, 8246, 9671, 14252, 15779, 16492, 19342, 28504, 31558, 32984, 38684, 63116, 67697, 77368, 110453, 126232, 135394, 220906, 270788, 299801, 441812, 541576, 599602, 883624, 1199204, 2098607, 2398408, 4197214, 8394428, 16788856]

約数ペア:

[(1, 16788856), (2, 8394428), (4, 4197214), (7, 2398408), (8, 2098607), (14, 1199204), (19, 883624), (28, 599602), (31, 541576), (38, 441812), (56, 299801), (62, 270788), (76, 220906), (124, 135394), (133, 126232), (152, 110453), (217, 77368), (248, 67697), (266, 63116), (434, 38684), (509, 32984), (532, 31558), (589, 28504), (868, 19342), (1018, 16492), (1064, 15779), (1178, 14252), (1736, 9671), (2036, 8246), (2356, 7126), (3563, 4712), (4072, 4123)]