771628

素因数分解:

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

素因数の和:118

約数の個数: 48

約数和(自身を含む): 1693440

約数和(自身を除く): 921812

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 71, 76, 142, 143, 209, 247, 284, 286, 418, 494, 572, 781, 836, 923, 988, 1349, 1562, 1846, 2698, 2717, 3124, 3692, 5396, 5434, 10153, 10868, 14839, 17537, 20306, 29678, 35074, 40612, 59356, 70148, 192907, 385814, 771628]

約数ペア:

[(1, 771628), (2, 385814), (4, 192907), (11, 70148), (13, 59356), (19, 40612), (22, 35074), (26, 29678), (38, 20306), (44, 17537), (52, 14839), (71, 10868), (76, 10153), (142, 5434), (143, 5396), (209, 3692), (247, 3124), (284, 2717), (286, 2698), (418, 1846), (494, 1562), (572, 1349), (781, 988), (836, 923)]