128705824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{677}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 273882168

約数和(自身を除く): 145176344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 457, 677, 914, 1354, 1828, 2708, 3656, 5416, 5941, 7312, 8801, 10832, 11882, 14624, 17602, 21664, 23764, 35204, 47528, 70408, 95056, 140816, 190112, 281632, 309389, 618778, 1237556, 2475112, 4022057, 4950224, 8044114, 9900448, 16088228, 32176456, 64352912, 128705824]

約数ペア:

[(1, 128705824), (2, 64352912), (4, 32176456), (8, 16088228), (13, 9900448), (16, 8044114), (26, 4950224), (32, 4022057), (52, 2475112), (104, 1237556), (208, 618778), (416, 309389), (457, 281632), (677, 190112), (914, 140816), (1354, 95056), (1828, 70408), (2708, 47528), (3656, 35204), (5416, 23764), (5941, 21664), (7312, 17602), (8801, 14624), (10832, 11882)]