81841736

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{997}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 159041280

約数和(自身を除く): 77199544

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 331, 662, 997, 1324, 1994, 2648, 3988, 7976, 10261, 20522, 30907, 41044, 61814, 82088, 123628, 247256, 330007, 660014, 1320028, 2640056, 10230217, 20460434, 40920868, 81841736]

約数ペア:

[(1, 81841736), (2, 40920868), (4, 20460434), (8, 10230217), (31, 2640056), (62, 1320028), (124, 660014), (248, 330007), (331, 247256), (662, 123628), (997, 82088), (1324, 61814), (1994, 41044), (2648, 30907), (3988, 20522), (7976, 10261)]