289355612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25643}}^1$

素因数の和:25698

約数の個数: 48

約数和(自身を含む): 643356672

約数和(自身を除く): 354001060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 25643, 51286, 102572, 179501, 333359, 359002, 666718, 718004, 794933, 1333436, 1589866, 2333513, 3179732, 4667026, 5564531, 9334052, 10334129, 11129062, 20668258, 22258124, 41336516, 72338903, 144677806, 289355612]

約数ペア:

[(1, 289355612), (2, 144677806), (4, 72338903), (7, 41336516), (13, 22258124), (14, 20668258), (26, 11129062), (28, 10334129), (31, 9334052), (52, 5564531), (62, 4667026), (91, 3179732), (124, 2333513), (182, 1589866), (217, 1333436), (364, 794933), (403, 718004), (434, 666718), (806, 359002), (868, 333359), (1612, 179501), (2821, 102572), (5642, 51286), (11284, 25643)]