81439072

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 108

約数和(自身を含む): 194655636

約数和(自身を除く): 113216564

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 37, 44, 52, 74, 88, 104, 143, 148, 169, 176, 208, 286, 296, 338, 352, 407, 416, 481, 572, 592, 676, 814, 962, 1144, 1184, 1352, 1369, 1628, 1859, 1924, 2288, 2704, 2738, 3256, 3718, 3848, 4576, 5291, 5408, 5476, 6253, 6512, 7436, 7696, 10582, 10952, 12506, 13024, 14872, 15059, 15392, 17797, 21164, 21904, 25012, 29744, 30118, 35594, 42328, 43808, 50024, 59488, 60236, 68783, 71188, 84656, 100048, 120472, 137566, 142376, 169312, 195767, 200096, 231361, 240944, 275132, 284752, 391534, 462722, 481888, 550264, 569504, 783068, 925444, 1100528, 1566136, 1850888, 2201056, 2544971, 3132272, 3701776, 5089942, 6264544, 7403552, 10179884, 20359768, 40719536, 81439072]

約数ペア:

[(1, 81439072), (2, 40719536), (4, 20359768), (8, 10179884), (11, 7403552), (13, 6264544), (16, 5089942), (22, 3701776), (26, 3132272), (32, 2544971), (37, 2201056), (44, 1850888), (52, 1566136), (74, 1100528), (88, 925444), (104, 783068), (143, 569504), (148, 550264), (169, 481888), (176, 462722), (208, 391534), (286, 284752), (296, 275132), (338, 240944), (352, 231361), (407, 200096), (416, 195767), (481, 169312), (572, 142376), (592, 137566), (676, 120472), (814, 100048), (962, 84656), (1144, 71188), (1184, 68783), (1352, 60236), (1369, 59488), (1628, 50024), (1859, 43808), (1924, 42328), (2288, 35594), (2704, 30118), (2738, 29744), (3256, 25012), (3718, 21904), (3848, 21164), (4576, 17797), (5291, 15392), (5408, 15059), (5476, 14872), (6253, 13024), (6512, 12506), (7436, 10952), (7696, 10582)]