664271132

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{1867}}^1$

素因数の和:2106

約数の個数: 48

約数和(自身を含む): 1353209088

約数和(自身を除く): 688937956

約数列:

[1, 2, 4, 7, 14, 28, 97, 131, 194, 262, 388, 524, 679, 917, 1358, 1834, 1867, 2716, 3668, 3734, 7468, 12707, 13069, 25414, 26138, 50828, 52276, 88949, 177898, 181099, 244577, 355796, 362198, 489154, 724396, 978308, 1267693, 1712039, 2535386, 3424078, 5070772, 6848156, 23723969, 47447938, 94895876, 166067783, 332135566, 664271132]

約数ペア:

[(1, 664271132), (2, 332135566), (4, 166067783), (7, 94895876), (14, 47447938), (28, 23723969), (97, 6848156), (131, 5070772), (194, 3424078), (262, 2535386), (388, 1712039), (524, 1267693), (679, 978308), (917, 724396), (1358, 489154), (1834, 362198), (1867, 355796), (2716, 244577), (3668, 181099), (3734, 177898), (7468, 88949), (12707, 52276), (13069, 50828), (25414, 26138)]