278324764

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{641}}^1\times {\mathrm{1487}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 494843328

約数和(自身を除く): 216518564

約数列:

[1, 2, 4, 73, 146, 292, 641, 1282, 1487, 2564, 2974, 5948, 46793, 93586, 108551, 187172, 217102, 434204, 953167, 1906334, 3812668, 69581191, 139162382, 278324764]

約数ペア:

[(1, 278324764), (2, 139162382), (4, 69581191), (73, 3812668), (146, 1906334), (292, 953167), (641, 434204), (1282, 217102), (1487, 187172), (2564, 108551), (2974, 93586), (5948, 46793)]