81792256

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3547

約数の個数: 72

約数和(自身を含む): 200998784

約数和(自身を除く): 119206528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3511, 5824, 7022, 11648, 14044, 23296, 24577, 28088, 45643, 49154, 56176, 91286, 98308, 112352, 182572, 196616, 224704, 319501, 365144, 393232, 449408, 639002, 730288, 786464, 898816, 1278004, 1460576, 1572928, 2556008, 2921152, 3145856, 5112016, 5842304, 6291712, 10224032, 11684608, 20448064, 40896128, 81792256]

約数ペア:

[(1, 81792256), (2, 40896128), (4, 20448064), (7, 11684608), (8, 10224032), (13, 6291712), (14, 5842304), (16, 5112016), (26, 3145856), (28, 2921152), (32, 2556008), (52, 1572928), (56, 1460576), (64, 1278004), (91, 898816), (104, 786464), (112, 730288), (128, 639002), (182, 449408), (208, 393232), (224, 365144), (256, 319501), (364, 224704), (416, 196616), (448, 182572), (728, 112352), (832, 98308), (896, 91286), (1456, 56176), (1664, 49154), (1792, 45643), (2912, 28088), (3328, 24577), (3511, 23296), (5824, 14044), (7022, 11648)]