8487908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 18768960

約数和(自身を除く): 10281052

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 71, 76, 121, 142, 143, 209, 242, 247, 284, 286, 418, 484, 494, 572, 781, 836, 923, 988, 1349, 1562, 1573, 1846, 2299, 2698, 2717, 3124, 3146, 3692, 4598, 5396, 5434, 6292, 8591, 9196, 10153, 10868, 14839, 17182, 17537, 20306, 29678, 29887, 34364, 35074, 40612, 59356, 59774, 70148, 111683, 119548, 163229, 192907, 223366, 326458, 385814, 446732, 652916, 771628, 2121977, 4243954, 8487908]

約数ペア:

[(1, 8487908), (2, 4243954), (4, 2121977), (11, 771628), (13, 652916), (19, 446732), (22, 385814), (26, 326458), (38, 223366), (44, 192907), (52, 163229), (71, 119548), (76, 111683), (121, 70148), (142, 59774), (143, 59356), (209, 40612), (242, 35074), (247, 34364), (284, 29887), (286, 29678), (418, 20306), (484, 17537), (494, 17182), (572, 14839), (781, 10868), (836, 10153), (923, 9196), (988, 8591), (1349, 6292), (1562, 5434), (1573, 5396), (1846, 4598), (2299, 3692), (2698, 3146), (2717, 3124)]