1254697984

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{64489}}^1$

素因数の和:64528

約数の個数: 44

約数和(自身を含む): 2640220600

約数和(自身を除く): 1385522616

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1216, 2432, 4864, 9728, 19456, 64489, 128978, 257956, 515912, 1031824, 1225291, 2063648, 2450582, 4127296, 4901164, 8254592, 9802328, 16509184, 19604656, 33018368, 39209312, 66036736, 78418624, 156837248, 313674496, 627348992, 1254697984]

約数ペア:

[(1, 1254697984), (2, 627348992), (4, 313674496), (8, 156837248), (16, 78418624), (19, 66036736), (32, 39209312), (38, 33018368), (64, 19604656), (76, 16509184), (128, 9802328), (152, 8254592), (256, 4901164), (304, 4127296), (512, 2450582), (608, 2063648), (1024, 1225291), (1216, 1031824), (2432, 515912), (4864, 257956), (9728, 128978), (19456, 64489)]