66481844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 138692736

約数和(自身を除く): 72210892

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1637, 1846, 3124, 3274, 3692, 6548, 10153, 18007, 20306, 21281, 36014, 40612, 42562, 72028, 85124, 116227, 232454, 234091, 464908, 468182, 936364, 1278497, 1510951, 2556994, 3021902, 5113988, 6043804, 16620461, 33240922, 66481844]

約数ペア:

[(1, 66481844), (2, 33240922), (4, 16620461), (11, 6043804), (13, 5113988), (22, 3021902), (26, 2556994), (44, 1510951), (52, 1278497), (71, 936364), (142, 468182), (143, 464908), (284, 234091), (286, 232454), (572, 116227), (781, 85124), (923, 72028), (1562, 42562), (1637, 40612), (1846, 36014), (3124, 21281), (3274, 20306), (3692, 18007), (6548, 10153)]