259959856

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{757}}^1$

素因数の和:918

約数の個数: 60

約数和(自身を含む): 550417152

約数和(自身を除く): 290457296

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 169, 208, 254, 338, 508, 676, 757, 1016, 1352, 1514, 1651, 2032, 2704, 3028, 3302, 6056, 6604, 9841, 12112, 13208, 19682, 21463, 26416, 39364, 42926, 78728, 85852, 96139, 127933, 157456, 171704, 192278, 255866, 343408, 384556, 511732, 769112, 1023464, 1249807, 1538224, 2046928, 2499614, 4999228, 9998456, 16247491, 19996912, 32494982, 64989964, 129979928, 259959856]

約数ペア:

[(1, 259959856), (2, 129979928), (4, 64989964), (8, 32494982), (13, 19996912), (16, 16247491), (26, 9998456), (52, 4999228), (104, 2499614), (127, 2046928), (169, 1538224), (208, 1249807), (254, 1023464), (338, 769112), (508, 511732), (676, 384556), (757, 343408), (1016, 255866), (1352, 192278), (1514, 171704), (1651, 157456), (2032, 127933), (2704, 96139), (3028, 85852), (3302, 78728), (6056, 42926), (6604, 39364), (9841, 26416), (12112, 21463), (13208, 19682)]