64693744

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 127960560

約数和(自身を除く): 63266816

約数列:

[1, 2, 4, 8, 16, 89, 178, 181, 251, 356, 362, 502, 712, 724, 1004, 1424, 1448, 2008, 2896, 4016, 16109, 22339, 32218, 44678, 45431, 64436, 89356, 90862, 128872, 178712, 181724, 257744, 357424, 363448, 726896, 4043359, 8086718, 16173436, 32346872, 64693744]

約数ペア:

[(1, 64693744), (2, 32346872), (4, 16173436), (8, 8086718), (16, 4043359), (89, 726896), (178, 363448), (181, 357424), (251, 257744), (356, 181724), (362, 178712), (502, 128872), (712, 90862), (724, 89356), (1004, 64436), (1424, 45431), (1448, 44678), (2008, 32218), (2896, 22339), (4016, 16109)]