216385984

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{177949}}^1$

素因数の和:177980

約数の個数: 28

約数和(自身を含む): 451993000

約数和(自身を除く): 235607016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 177949, 355898, 711796, 1423592, 2847184, 3381031, 5694368, 6762062, 11388736, 13524124, 27048248, 54096496, 108192992, 216385984]

約数ペア:

[(1, 216385984), (2, 108192992), (4, 54096496), (8, 27048248), (16, 13524124), (19, 11388736), (32, 6762062), (38, 5694368), (64, 3381031), (76, 2847184), (152, 1423592), (304, 711796), (608, 355898), (1216, 177949)]