42140488

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 86961600

約数和(自身を除く): 44821112

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 169, 284, 338, 439, 568, 676, 878, 923, 1352, 1756, 1846, 3512, 3692, 5707, 7384, 11414, 11999, 22828, 23998, 31169, 45656, 47996, 62338, 74191, 95992, 124676, 148382, 249352, 296764, 405197, 593528, 810394, 1620788, 3241576, 5267561, 10535122, 21070244, 42140488]

約数ペア:

[(1, 42140488), (2, 21070244), (4, 10535122), (8, 5267561), (13, 3241576), (26, 1620788), (52, 810394), (71, 593528), (104, 405197), (142, 296764), (169, 249352), (284, 148382), (338, 124676), (439, 95992), (568, 74191), (676, 62338), (878, 47996), (923, 45656), (1352, 31169), (1756, 23998), (1846, 22828), (3512, 11999), (3692, 11414), (5707, 7384)]