6488690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 13789440

約数和(自身を除く): 7300750

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 71, 74, 95, 130, 142, 185, 190, 247, 355, 370, 481, 494, 703, 710, 923, 962, 1235, 1349, 1406, 1846, 2405, 2470, 2627, 2698, 3515, 4615, 4810, 5254, 6745, 7030, 9139, 9230, 13135, 13490, 17537, 18278, 26270, 34151, 35074, 45695, 49913, 68302, 87685, 91390, 99826, 170755, 175370, 249565, 341510, 499130, 648869, 1297738, 3244345, 6488690]

約数ペア:

[(1, 6488690), (2, 3244345), (5, 1297738), (10, 648869), (13, 499130), (19, 341510), (26, 249565), (37, 175370), (38, 170755), (65, 99826), (71, 91390), (74, 87685), (95, 68302), (130, 49913), (142, 45695), (185, 35074), (190, 34151), (247, 26270), (355, 18278), (370, 17537), (481, 13490), (494, 13135), (703, 9230), (710, 9139), (923, 7030), (962, 6745), (1235, 5254), (1349, 4810), (1406, 4615), (1846, 3515), (2405, 2698), (2470, 2627)]