81990272

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7039}}^1$

素因数の和:7073

約数の個数: 64

約数和(自身を含む): 201062400

約数和(自身を除く): 119072128

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 7039, 11648, 14078, 28156, 49273, 56312, 91507, 98546, 112624, 183014, 197092, 225248, 366028, 394184, 450496, 640549, 732056, 788368, 900992, 1281098, 1464112, 1576736, 2562196, 2928224, 3153472, 5124392, 5856448, 6306944, 10248784, 11712896, 20497568, 40995136, 81990272]

約数ペア:

[(1, 81990272), (2, 40995136), (4, 20497568), (7, 11712896), (8, 10248784), (13, 6306944), (14, 5856448), (16, 5124392), (26, 3153472), (28, 2928224), (32, 2562196), (52, 1576736), (56, 1464112), (64, 1281098), (91, 900992), (104, 788368), (112, 732056), (128, 640549), (182, 450496), (208, 394184), (224, 366028), (364, 225248), (416, 197092), (448, 183014), (728, 112624), (832, 98546), (896, 91507), (1456, 56312), (1664, 49273), (2912, 28156), (5824, 14078), (7039, 11648)]