81513384

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^2$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 210994560

約数和(自身を除く): 129481176

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 331, 372, 662, 744, 993, 1324, 1986, 2648, 3972, 7944, 10261, 20522, 30783, 41044, 61566, 82088, 109561, 123132, 219122, 246264, 328683, 438244, 657366, 876488, 1314732, 2629464, 3396391, 6792782, 10189173, 13585564, 20378346, 27171128, 40756692, 81513384]

約数ペア:

[(1, 81513384), (2, 40756692), (3, 27171128), (4, 20378346), (6, 13585564), (8, 10189173), (12, 6792782), (24, 3396391), (31, 2629464), (62, 1314732), (93, 876488), (124, 657366), (186, 438244), (248, 328683), (331, 246264), (372, 219122), (662, 123132), (744, 109561), (993, 82088), (1324, 61566), (1986, 41044), (2648, 30783), (3972, 20522), (7944, 10261)]