673712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 1458240

約数和(自身を除く): 784528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 79, 82, 104, 158, 164, 208, 316, 328, 533, 632, 656, 1027, 1066, 1264, 2054, 2132, 3239, 4108, 4264, 6478, 8216, 8528, 12956, 16432, 25912, 42107, 51824, 84214, 168428, 336856, 673712]

約数ペア:

[(1, 673712), (2, 336856), (4, 168428), (8, 84214), (13, 51824), (16, 42107), (26, 25912), (41, 16432), (52, 12956), (79, 8528), (82, 8216), (104, 6478), (158, 4264), (164, 4108), (208, 3239), (316, 2132), (328, 2054), (533, 1264), (632, 1066), (656, 1027)]