64803688

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 123966720

約数和(自身を除く): 59163032

約数列:

[1, 2, 4, 8, 71, 142, 271, 284, 421, 542, 568, 842, 1084, 1684, 2168, 3368, 19241, 29891, 38482, 59782, 76964, 114091, 119564, 153928, 228182, 239128, 456364, 912728, 8100461, 16200922, 32401844, 64803688]

約数ペア:

[(1, 64803688), (2, 32401844), (4, 16200922), (8, 8100461), (71, 912728), (142, 456364), (271, 239128), (284, 228182), (421, 153928), (542, 119564), (568, 114091), (842, 76964), (1084, 59782), (1684, 38482), (2168, 29891), (3368, 19241)]