320808502

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1217}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 579962880

約数和(自身を除く): 259154378

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 991, 1217, 1982, 2434, 6937, 8519, 13874, 17038, 18829, 23123, 37658, 46246, 131803, 161861, 263606, 323722, 1206047, 2412094, 8442329, 16884658, 22914893, 45829786, 160404251, 320808502]

約数ペア:

[(1, 320808502), (2, 160404251), (7, 45829786), (14, 22914893), (19, 16884658), (38, 8442329), (133, 2412094), (266, 1206047), (991, 323722), (1217, 263606), (1982, 161861), (2434, 131803), (6937, 46246), (8519, 37658), (13874, 23123), (17038, 18829)]