271996816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2099}}^1$

素因数の和:2216

約数の個数: 80

約数和(自身を含む): 656208000

約数和(自身を除く): 384211184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 89, 91, 104, 112, 178, 182, 208, 356, 364, 623, 712, 728, 1157, 1246, 1424, 1456, 2099, 2314, 2492, 4198, 4628, 4984, 8099, 8396, 9256, 9968, 14693, 16198, 16792, 18512, 27287, 29386, 32396, 33584, 54574, 58772, 64792, 109148, 117544, 129584, 186811, 191009, 218296, 235088, 373622, 382018, 436592, 747244, 764036, 1307677, 1494488, 1528072, 2428543, 2615354, 2988976, 3056144, 4857086, 5230708, 9714172, 10461416, 16999801, 19428344, 20922832, 33999602, 38856688, 67999204, 135998408, 271996816]

約数ペア:

[(1, 271996816), (2, 135998408), (4, 67999204), (7, 38856688), (8, 33999602), (13, 20922832), (14, 19428344), (16, 16999801), (26, 10461416), (28, 9714172), (52, 5230708), (56, 4857086), (89, 3056144), (91, 2988976), (104, 2615354), (112, 2428543), (178, 1528072), (182, 1494488), (208, 1307677), (356, 764036), (364, 747244), (623, 436592), (712, 382018), (728, 373622), (1157, 235088), (1246, 218296), (1424, 191009), (1456, 186811), (2099, 129584), (2314, 117544), (2492, 109148), (4198, 64792), (4628, 58772), (4984, 54574), (8099, 33584), (8396, 32396), (9256, 29386), (9968, 27287), (14693, 18512), (16198, 16792)]