81938558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1877}}^1$

素因数の和:1988

約数の個数: 32

約数和(自身を含む): 140083776

約数和(自身を除く): 58145218

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 598, 949, 1679, 1877, 1898, 3358, 3754, 21827, 24401, 43171, 43654, 48802, 86342, 137021, 274042, 561223, 1122446, 1781273, 3151483, 3562546, 6302966, 40969279, 81938558]

約数ペア:

[(1, 81938558), (2, 40969279), (13, 6302966), (23, 3562546), (26, 3151483), (46, 1781273), (73, 1122446), (146, 561223), (299, 274042), (598, 137021), (949, 86342), (1679, 48802), (1877, 43654), (1898, 43171), (3358, 24401), (3754, 21827)]