201243568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{643}}^1$

素因数の和:1313

約数の個数: 40

約数和(自身を含む): 403751936

約数和(自身を除く): 202508368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 631, 643, 1262, 1286, 2524, 2572, 5048, 5144, 10096, 10288, 19561, 19933, 39122, 39866, 78244, 79732, 156488, 159464, 312976, 318928, 405733, 811466, 1622932, 3245864, 6491728, 12577723, 25155446, 50310892, 100621784, 201243568]

約数ペア:

[(1, 201243568), (2, 100621784), (4, 50310892), (8, 25155446), (16, 12577723), (31, 6491728), (62, 3245864), (124, 1622932), (248, 811466), (496, 405733), (631, 318928), (643, 312976), (1262, 159464), (1286, 156488), (2524, 79732), (2572, 78244), (5048, 39866), (5144, 39122), (10096, 19933), (10288, 19561)]