78143978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{2357}}^1$

素因数の和:2518

約数の個数: 24

約数和(自身を含む): 129836196

約数和(自身を除く): 51692218

約数列:

[1, 2, 11, 22, 121, 137, 242, 274, 1507, 2357, 3014, 4714, 16577, 25927, 33154, 51854, 285197, 322909, 570394, 645818, 3551999, 7103998, 39071989, 78143978]

約数ペア:

[(1, 78143978), (2, 39071989), (11, 7103998), (22, 3551999), (121, 645818), (137, 570394), (242, 322909), (274, 285197), (1507, 51854), (2357, 33154), (3014, 25927), (4714, 16577)]