64546990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{887}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 122757120

約数和(自身を除く): 58210130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 383, 766, 887, 1774, 1915, 3830, 4435, 7277, 8870, 14554, 16853, 33706, 36385, 72770, 84265, 168530, 339721, 679442, 1698605, 3397210, 6454699, 12909398, 32273495, 64546990]

約数ペア:

[(1, 64546990), (2, 32273495), (5, 12909398), (10, 6454699), (19, 3397210), (38, 1698605), (95, 679442), (190, 339721), (383, 168530), (766, 84265), (887, 72770), (1774, 36385), (1915, 33706), (3830, 16853), (4435, 14554), (7277, 8870)]