129147728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{653}}^1$

素因数の和:971

約数の個数: 40

約数和(自身を含む): 256912128

約数和(自身を除く): 127764400

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 263, 376, 526, 653, 752, 1052, 1306, 2104, 2612, 4208, 5224, 10448, 12361, 24722, 30691, 49444, 61382, 98888, 122764, 171739, 197776, 245528, 343478, 491056, 686956, 1373912, 2747824, 8071733, 16143466, 32286932, 64573864, 129147728]

約数ペア:

[(1, 129147728), (2, 64573864), (4, 32286932), (8, 16143466), (16, 8071733), (47, 2747824), (94, 1373912), (188, 686956), (263, 491056), (376, 343478), (526, 245528), (653, 197776), (752, 171739), (1052, 122764), (1306, 98888), (2104, 61382), (2612, 49444), (4208, 30691), (5224, 24722), (10448, 12361)]