661875032

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{439}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 1626240000

約数和(自身を除く): 964364968

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 109, 133, 152, 182, 218, 247, 266, 364, 436, 439, 494, 532, 728, 763, 872, 878, 988, 1064, 1417, 1526, 1729, 1756, 1976, 2071, 2834, 3052, 3073, 3458, 3512, 4142, 5668, 5707, 6104, 6146, 6916, 8284, 8341, 9919, 11336, 11414, 12292, 13832, 14497, 16568, 16682, 19838, 22828, 24584, 26923, 28994, 33364, 39676, 39949, 45656, 47851, 53846, 57988, 58387, 66728, 79352, 79898, 95702, 107692, 108433, 115976, 116774, 159796, 188461, 191404, 215384, 216866, 233548, 319592, 334957, 376922, 382808, 433732, 467096, 622063, 669914, 753844, 759031, 867464, 909169, 1244126, 1339828, 1507688, 1518062, 1818338, 2488252, 2679656, 3036124, 3636676, 4354441, 4976504, 6072248, 6364183, 7273352, 8708882, 11819197, 12728366, 17417764, 23638394, 25456732, 34835528, 47276788, 50913464, 82734379, 94553576, 165468758, 330937516, 661875032]

約数ペア:

[(1, 661875032), (2, 330937516), (4, 165468758), (7, 94553576), (8, 82734379), (13, 50913464), (14, 47276788), (19, 34835528), (26, 25456732), (28, 23638394), (38, 17417764), (52, 12728366), (56, 11819197), (76, 8708882), (91, 7273352), (104, 6364183), (109, 6072248), (133, 4976504), (152, 4354441), (182, 3636676), (218, 3036124), (247, 2679656), (266, 2488252), (364, 1818338), (436, 1518062), (439, 1507688), (494, 1339828), (532, 1244126), (728, 909169), (763, 867464), (872, 759031), (878, 753844), (988, 669914), (1064, 622063), (1417, 467096), (1526, 433732), (1729, 382808), (1756, 376922), (1976, 334957), (2071, 319592), (2834, 233548), (3052, 216866), (3073, 215384), (3458, 191404), (3512, 188461), (4142, 159796), (5668, 116774), (5707, 115976), (6104, 108433), (6146, 107692), (6916, 95702), (8284, 79898), (8341, 79352), (9919, 66728), (11336, 58387), (11414, 57988), (12292, 53846), (13832, 47851), (14497, 45656), (16568, 39949), (16682, 39676), (19838, 33364), (22828, 28994), (24584, 26923)]