321319775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 480635904

約数和(自身を除く): 159316129

約数列:

[1, 5, 7, 23, 25, 35, 97, 115, 161, 175, 485, 575, 679, 805, 823, 2231, 2425, 3395, 4025, 4115, 5761, 11155, 15617, 16975, 18929, 20575, 28805, 55775, 78085, 79831, 94645, 132503, 144025, 390425, 399155, 473225, 558817, 662515, 1836113, 1995775, 2794085, 3312575, 9180565, 12852791, 13970425, 45902825, 64263955, 321319775]

約数ペア:

[(1, 321319775), (5, 64263955), (7, 45902825), (23, 13970425), (25, 12852791), (35, 9180565), (97, 3312575), (115, 2794085), (161, 1995775), (175, 1836113), (485, 662515), (575, 558817), (679, 473225), (805, 399155), (823, 390425), (2231, 144025), (2425, 132503), (3395, 94645), (4025, 79831), (4115, 78085), (5761, 55775), (11155, 28805), (15617, 20575), (16975, 18929)]