287141608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 604437120

約数和(自身を除く): 317295512

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 71, 74, 104, 142, 148, 284, 296, 481, 568, 923, 962, 1051, 1846, 1924, 2102, 2627, 3692, 3848, 4204, 5254, 7384, 8408, 10508, 13663, 21016, 27326, 34151, 38887, 54652, 68302, 74621, 77774, 109304, 136604, 149242, 155548, 273208, 298484, 311096, 505531, 596968, 970073, 1011062, 1940146, 2022124, 2760977, 3880292, 4044248, 5521954, 7760584, 11043908, 22087816, 35892701, 71785402, 143570804, 287141608]

約数ペア:

[(1, 287141608), (2, 143570804), (4, 71785402), (8, 35892701), (13, 22087816), (26, 11043908), (37, 7760584), (52, 5521954), (71, 4044248), (74, 3880292), (104, 2760977), (142, 2022124), (148, 1940146), (284, 1011062), (296, 970073), (481, 596968), (568, 505531), (923, 311096), (962, 298484), (1051, 273208), (1846, 155548), (1924, 149242), (2102, 136604), (2627, 109304), (3692, 77774), (3848, 74621), (4204, 68302), (5254, 54652), (7384, 38887), (8408, 34151), (10508, 27326), (13663, 21016)]