81143296

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 80

約数和(自身を含む): 178051104

約数和(自身を除く): 96907808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 128, 146, 167, 208, 256, 292, 334, 416, 512, 584, 668, 832, 949, 1168, 1336, 1664, 1898, 2171, 2336, 2672, 3328, 3796, 4342, 4672, 5344, 6656, 7592, 8684, 9344, 10688, 12191, 15184, 17368, 18688, 21376, 24382, 30368, 34736, 37376, 42752, 48764, 60736, 69472, 85504, 97528, 121472, 138944, 158483, 195056, 242944, 277888, 316966, 390112, 485888, 555776, 633932, 780224, 1111552, 1267864, 1560448, 2535728, 3120896, 5071456, 6241792, 10142912, 20285824, 40571648, 81143296]

約数ペア:

[(1, 81143296), (2, 40571648), (4, 20285824), (8, 10142912), (13, 6241792), (16, 5071456), (26, 3120896), (32, 2535728), (52, 1560448), (64, 1267864), (73, 1111552), (104, 780224), (128, 633932), (146, 555776), (167, 485888), (208, 390112), (256, 316966), (292, 277888), (334, 242944), (416, 195056), (512, 158483), (584, 138944), (668, 121472), (832, 97528), (949, 85504), (1168, 69472), (1336, 60736), (1664, 48764), (1898, 42752), (2171, 37376), (2336, 34736), (2672, 30368), (3328, 24382), (3796, 21376), (4342, 18688), (4672, 17368), (5344, 15184), (6656, 12191), (7592, 10688), (8684, 9344)]