137904728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 287400960

約数和(自身を除く): 149496232

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 127, 197, 212, 254, 394, 424, 508, 689, 788, 1016, 1378, 1576, 1651, 2561, 2756, 3302, 5122, 5512, 6604, 6731, 10244, 10441, 13208, 13462, 20488, 20882, 25019, 26924, 41764, 50038, 53848, 83528, 87503, 100076, 135733, 175006, 200152, 271466, 325247, 350012, 542932, 650494, 700024, 1085864, 1300988, 1326007, 2601976, 2652014, 5304028, 10608056, 17238091, 34476182, 68952364, 137904728]

約数ペア:

[(1, 137904728), (2, 68952364), (4, 34476182), (8, 17238091), (13, 10608056), (26, 5304028), (52, 2652014), (53, 2601976), (104, 1326007), (106, 1300988), (127, 1085864), (197, 700024), (212, 650494), (254, 542932), (394, 350012), (424, 325247), (508, 271466), (689, 200152), (788, 175006), (1016, 135733), (1378, 100076), (1576, 87503), (1651, 83528), (2561, 53848), (2756, 50038), (3302, 41764), (5122, 26924), (5512, 25019), (6604, 20882), (6731, 20488), (10244, 13462), (10441, 13208)]