81320512

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13963}}^1$

素因数の和:13995

約数の個数: 56

約数和(自身を含む): 198623936

約数和(自身を除く): 117303424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 5824, 13963, 27926, 55852, 97741, 111704, 181519, 195482, 223408, 363038, 390964, 446816, 726076, 781928, 893632, 1270633, 1452152, 1563856, 2541266, 2904304, 3127712, 5082532, 5808608, 6255424, 10165064, 11617216, 20330128, 40660256, 81320512]

約数ペア:

[(1, 81320512), (2, 40660256), (4, 20330128), (7, 11617216), (8, 10165064), (13, 6255424), (14, 5808608), (16, 5082532), (26, 3127712), (28, 2904304), (32, 2541266), (52, 1563856), (56, 1452152), (64, 1270633), (91, 893632), (104, 781928), (112, 726076), (182, 446816), (208, 390964), (224, 363038), (364, 223408), (416, 195482), (448, 181519), (728, 111704), (832, 97741), (1456, 55852), (2912, 27926), (5824, 13963)]