72726784

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{41}}^2$

素因数の和:124

約数の個数: 81

約数和(自身を含む): 161122899

約数和(自身を除く): 88396115

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 169, 208, 256, 328, 338, 416, 533, 656, 676, 832, 1066, 1312, 1352, 1664, 1681, 2132, 2624, 2704, 3328, 3362, 4264, 5248, 5408, 6724, 6929, 8528, 10496, 10816, 13448, 13858, 17056, 21632, 21853, 26896, 27716, 34112, 43264, 43706, 53792, 55432, 68224, 87412, 107584, 110864, 136448, 174824, 215168, 221728, 284089, 349648, 430336, 443456, 568178, 699296, 886912, 1136356, 1398592, 1773824, 2272712, 2797184, 4545424, 5594368, 9090848, 18181696, 36363392, 72726784]

約数ペア:

[(1, 72726784), (2, 36363392), (4, 18181696), (8, 9090848), (13, 5594368), (16, 4545424), (26, 2797184), (32, 2272712), (41, 1773824), (52, 1398592), (64, 1136356), (82, 886912), (104, 699296), (128, 568178), (164, 443456), (169, 430336), (208, 349648), (256, 284089), (328, 221728), (338, 215168), (416, 174824), (533, 136448), (656, 110864), (676, 107584), (832, 87412), (1066, 68224), (1312, 55432), (1352, 53792), (1664, 43706), (1681, 43264), (2132, 34112), (2624, 27716), (2704, 26896), (3328, 21853), (3362, 21632), (4264, 17056), (5248, 13858), (5408, 13448), (6724, 10816), (6929, 10496)]