257069358

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{156941}}^1$

素因数の和:156969

約数の個数: 48

約数和(自身を含む): 685522656

約数和(自身を除く): 428453298

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 156941, 313882, 470823, 941646, 1098587, 1412469, 2040233, 2197174, 2824938, 3295761, 4080466, 6120699, 6591522, 9887283, 12241398, 14281631, 18362097, 19774566, 28563262, 36724194, 42844893, 85689786, 128534679, 257069358]

約数ペア:

[(1, 257069358), (2, 128534679), (3, 85689786), (6, 42844893), (7, 36724194), (9, 28563262), (13, 19774566), (14, 18362097), (18, 14281631), (21, 12241398), (26, 9887283), (39, 6591522), (42, 6120699), (63, 4080466), (78, 3295761), (91, 2824938), (117, 2197174), (126, 2040233), (182, 1412469), (234, 1098587), (273, 941646), (546, 470823), (819, 313882), (1638, 156941)]