71663072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5557}}^1$

素因数の和:5611

約数の個数: 48

約数和(自身を含む): 156868992

約数和(自身を除く): 85205920

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 5557, 6448, 11114, 12896, 22228, 44456, 72241, 88912, 144482, 172267, 177824, 288964, 344534, 577928, 689068, 1155856, 1378136, 2239471, 2311712, 2756272, 4478942, 5512544, 8957884, 17915768, 35831536, 71663072]

約数ペア:

[(1, 71663072), (2, 35831536), (4, 17915768), (8, 8957884), (13, 5512544), (16, 4478942), (26, 2756272), (31, 2311712), (32, 2239471), (52, 1378136), (62, 1155856), (104, 689068), (124, 577928), (208, 344534), (248, 288964), (403, 177824), (416, 172267), (496, 144482), (806, 88912), (992, 72241), (1612, 44456), (3224, 22228), (5557, 12896), (6448, 11114)]