64247248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{619}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 134540000

約数和(自身を除く): 70292752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 499, 619, 998, 1238, 1996, 2476, 3992, 4952, 6487, 7984, 8047, 9904, 12974, 16094, 25948, 32188, 51896, 64376, 103792, 128752, 308881, 617762, 1235524, 2471048, 4015453, 4942096, 8030906, 16061812, 32123624, 64247248]

約数ペア:

[(1, 64247248), (2, 32123624), (4, 16061812), (8, 8030906), (13, 4942096), (16, 4015453), (26, 2471048), (52, 1235524), (104, 617762), (208, 308881), (499, 128752), (619, 103792), (998, 64376), (1238, 51896), (1996, 32188), (2476, 25948), (3992, 16094), (4952, 12974), (6487, 9904), (7984, 8047)]