72648128

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5231}}^1$

素因数の和:5281

約数の個数: 56

約数和(自身を含む): 170102784

約数和(自身を除く): 97454656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5231, 6944, 10462, 13888, 20924, 36617, 41848, 73234, 83696, 146468, 162161, 167392, 292936, 324322, 334784, 585872, 648644, 1135127, 1171744, 1297288, 2270254, 2343488, 2594576, 4540508, 5189152, 9081016, 10378304, 18162032, 36324064, 72648128]

約数ペア:

[(1, 72648128), (2, 36324064), (4, 18162032), (7, 10378304), (8, 9081016), (14, 5189152), (16, 4540508), (28, 2594576), (31, 2343488), (32, 2270254), (56, 1297288), (62, 1171744), (64, 1135127), (112, 648644), (124, 585872), (217, 334784), (224, 324322), (248, 292936), (434, 167392), (448, 162161), (496, 146468), (868, 83696), (992, 73234), (1736, 41848), (1984, 36617), (3472, 20924), (5231, 13888), (6944, 10462)]