1216670416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1901}}^1$

素因数の和:2120

約数の個数: 80

約数和(自身を含む): 2704233168

約数和(自身を除く): 1487562752

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 181, 208, 221, 272, 362, 442, 724, 884, 1448, 1768, 1901, 2353, 2896, 3077, 3536, 3802, 4706, 6154, 7604, 9412, 12308, 15208, 18824, 24616, 24713, 30416, 32317, 37648, 40001, 49232, 49426, 64634, 80002, 98852, 129268, 160004, 197704, 258536, 320008, 344081, 395408, 420121, 517072, 640016, 688162, 840242, 1376324, 1680484, 2752648, 3360968, 4473053, 5505296, 5849377, 6721936, 8946106, 11698754, 17892212, 23397508, 35784424, 46795016, 71568848, 76041901, 93590032, 152083802, 304167604, 608335208, 1216670416]

約数ペア:

[(1, 1216670416), (2, 608335208), (4, 304167604), (8, 152083802), (13, 93590032), (16, 76041901), (17, 71568848), (26, 46795016), (34, 35784424), (52, 23397508), (68, 17892212), (104, 11698754), (136, 8946106), (181, 6721936), (208, 5849377), (221, 5505296), (272, 4473053), (362, 3360968), (442, 2752648), (724, 1680484), (884, 1376324), (1448, 840242), (1768, 688162), (1901, 640016), (2353, 517072), (2896, 420121), (3077, 395408), (3536, 344081), (3802, 320008), (4706, 258536), (6154, 197704), (7604, 160004), (9412, 129268), (12308, 98852), (15208, 80002), (18824, 64634), (24616, 49426), (24713, 49232), (30416, 40001), (32317, 37648)]