209355588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1019}}^1$

素因数の和:1481

約数の個数: 72

約数和(自身を含む): 571771200

約数和(自身を除く): 362415612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 439, 468, 878, 1019, 1317, 1756, 2038, 2634, 3057, 3951, 4076, 5268, 5707, 6114, 7902, 9171, 11414, 12228, 13247, 15804, 17121, 18342, 22828, 26494, 34242, 36684, 39741, 51363, 52988, 68484, 79482, 102726, 119223, 158964, 205452, 238446, 447341, 476892, 894682, 1342023, 1789364, 2684046, 4026069, 5368092, 5815433, 8052138, 11630866, 16104276, 17446299, 23261732, 34892598, 52338897, 69785196, 104677794, 209355588]

約数ペア:

[(1, 209355588), (2, 104677794), (3, 69785196), (4, 52338897), (6, 34892598), (9, 23261732), (12, 17446299), (13, 16104276), (18, 11630866), (26, 8052138), (36, 5815433), (39, 5368092), (52, 4026069), (78, 2684046), (117, 1789364), (156, 1342023), (234, 894682), (439, 476892), (468, 447341), (878, 238446), (1019, 205452), (1317, 158964), (1756, 119223), (2038, 102726), (2634, 79482), (3057, 68484), (3951, 52988), (4076, 51363), (5268, 39741), (5707, 36684), (6114, 34242), (7902, 26494), (9171, 22828), (11414, 18342), (12228, 17121), (13247, 15804)]