669487672

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 1461470400

約数和(自身を除く): 791982728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 389, 421, 511, 584, 778, 842, 1022, 1556, 1684, 2044, 2723, 2947, 3112, 3368, 4088, 5446, 5894, 10892, 11788, 21784, 23576, 28397, 30733, 56794, 61466, 113588, 122932, 163769, 198779, 215131, 227176, 245864, 327538, 397558, 430262, 655076, 795116, 860524, 1146383, 1310152, 1590232, 1721048, 2292766, 4585532, 9171064, 11955137, 23910274, 47820548, 83685959, 95641096, 167371918, 334743836, 669487672]

約数ペア:

[(1, 669487672), (2, 334743836), (4, 167371918), (7, 95641096), (8, 83685959), (14, 47820548), (28, 23910274), (56, 11955137), (73, 9171064), (146, 4585532), (292, 2292766), (389, 1721048), (421, 1590232), (511, 1310152), (584, 1146383), (778, 860524), (842, 795116), (1022, 655076), (1556, 430262), (1684, 397558), (2044, 327538), (2723, 245864), (2947, 227176), (3112, 215131), (3368, 198779), (4088, 163769), (5446, 122932), (5894, 113588), (10892, 61466), (11788, 56794), (21784, 30733), (23576, 28397)]