71483984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 164572800

約数和(自身を除く): 93088816

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 157, 176, 199, 208, 286, 314, 398, 572, 628, 796, 1144, 1256, 1592, 1727, 2041, 2189, 2288, 2512, 2587, 3184, 3454, 4082, 4378, 5174, 6908, 8164, 8756, 10348, 13816, 16328, 17512, 20696, 22451, 27632, 28457, 31243, 32656, 35024, 41392, 44902, 56914, 62486, 89804, 113828, 124972, 179608, 227656, 249944, 343673, 359216, 406159, 455312, 499888, 687346, 812318, 1374692, 1624636, 2749384, 3249272, 4467749, 5498768, 6498544, 8935498, 17870996, 35741992, 71483984]

約数ペア:

[(1, 71483984), (2, 35741992), (4, 17870996), (8, 8935498), (11, 6498544), (13, 5498768), (16, 4467749), (22, 3249272), (26, 2749384), (44, 1624636), (52, 1374692), (88, 812318), (104, 687346), (143, 499888), (157, 455312), (176, 406159), (199, 359216), (208, 343673), (286, 249944), (314, 227656), (398, 179608), (572, 124972), (628, 113828), (796, 89804), (1144, 62486), (1256, 56914), (1592, 44902), (1727, 41392), (2041, 35024), (2189, 32656), (2288, 31243), (2512, 28457), (2587, 27632), (3184, 22451), (3454, 20696), (4082, 17512), (4378, 16328), (5174, 13816), (6908, 10348), (8164, 8756)]