389958736

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{24203}}^1$

素因数の和:24283

約数の個数: 40

約数和(自身を含む): 810349920

約数和(自身を除く): 420391184

約数列:

[1, 2, 4, 8, 16, 19, 38, 53, 76, 106, 152, 212, 304, 424, 848, 1007, 2014, 4028, 8056, 16112, 24203, 48406, 96812, 193624, 387248, 459857, 919714, 1282759, 1839428, 2565518, 3678856, 5131036, 7357712, 10262072, 20524144, 24372421, 48744842, 97489684, 194979368, 389958736]

約数ペア:

[(1, 389958736), (2, 194979368), (4, 97489684), (8, 48744842), (16, 24372421), (19, 20524144), (38, 10262072), (53, 7357712), (76, 5131036), (106, 3678856), (152, 2565518), (212, 1839428), (304, 1282759), (424, 919714), (848, 459857), (1007, 387248), (2014, 193624), (4028, 96812), (8056, 48406), (16112, 24203)]