66689688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 189604800

約数和(自身を除く): 122915112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 53, 74, 78, 104, 106, 109, 111, 148, 156, 159, 212, 218, 222, 296, 312, 318, 327, 424, 436, 444, 481, 636, 654, 689, 872, 888, 962, 1272, 1308, 1378, 1417, 1443, 1924, 1961, 2067, 2616, 2756, 2834, 2886, 3848, 3922, 4033, 4134, 4251, 5512, 5668, 5772, 5777, 5883, 7844, 8066, 8268, 8502, 11336, 11544, 11554, 11766, 12099, 15688, 16132, 16536, 17004, 17331, 23108, 23532, 24198, 25493, 32264, 34008, 34662, 46216, 47064, 48396, 50986, 52429, 69324, 75101, 76479, 96792, 101972, 104858, 138648, 150202, 152958, 157287, 203944, 209716, 213749, 225303, 300404, 305916, 314574, 419432, 427498, 450606, 600808, 611832, 629148, 641247, 854996, 901212, 1258296, 1282494, 1709992, 1802424, 2564988, 2778737, 5129976, 5557474, 8336211, 11114948, 16672422, 22229896, 33344844, 66689688]

約数ペア:

[(1, 66689688), (2, 33344844), (3, 22229896), (4, 16672422), (6, 11114948), (8, 8336211), (12, 5557474), (13, 5129976), (24, 2778737), (26, 2564988), (37, 1802424), (39, 1709992), (52, 1282494), (53, 1258296), (74, 901212), (78, 854996), (104, 641247), (106, 629148), (109, 611832), (111, 600808), (148, 450606), (156, 427498), (159, 419432), (212, 314574), (218, 305916), (222, 300404), (296, 225303), (312, 213749), (318, 209716), (327, 203944), (424, 157287), (436, 152958), (444, 150202), (481, 138648), (636, 104858), (654, 101972), (689, 96792), (872, 76479), (888, 75101), (962, 69324), (1272, 52429), (1308, 50986), (1378, 48396), (1417, 47064), (1443, 46216), (1924, 34662), (1961, 34008), (2067, 32264), (2616, 25493), (2756, 24198), (2834, 23532), (2886, 23108), (3848, 17331), (3922, 17004), (4033, 16536), (4134, 16132), (4251, 15688), (5512, 12099), (5668, 11766), (5772, 11554), (5777, 11544), (5883, 11336), (7844, 8502), (8066, 8268)]