71642428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 148176000

約数和(自身を除く): 76533572

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 251, 286, 499, 502, 572, 998, 1004, 1996, 2761, 3263, 5489, 5522, 6487, 6526, 10978, 11044, 12974, 13052, 21956, 25948, 35893, 71357, 71786, 125249, 142714, 143572, 250498, 285428, 500996, 1377739, 1628237, 2755478, 3256474, 5510956, 6512948, 17910607, 35821214, 71642428]

約数ペア:

[(1, 71642428), (2, 35821214), (4, 17910607), (11, 6512948), (13, 5510956), (22, 3256474), (26, 2755478), (44, 1628237), (52, 1377739), (143, 500996), (251, 285428), (286, 250498), (499, 143572), (502, 142714), (572, 125249), (998, 71786), (1004, 71357), (1996, 35893), (2761, 25948), (3263, 21956), (5489, 13052), (5522, 12974), (6487, 11044), (6526, 10978)]