398848

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 40

約数和(自身を含む): 859320

約数和(自身を除く): 460472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 76, 82, 128, 152, 164, 256, 304, 328, 512, 608, 656, 779, 1216, 1312, 1558, 2432, 2624, 3116, 4864, 5248, 6232, 9728, 10496, 12464, 20992, 24928, 49856, 99712, 199424, 398848]

約数ペア:

[(1, 398848), (2, 199424), (4, 99712), (8, 49856), (16, 24928), (19, 20992), (32, 12464), (38, 10496), (41, 9728), (64, 6232), (76, 5248), (82, 4864), (128, 3116), (152, 2624), (164, 2432), (256, 1558), (304, 1312), (328, 1216), (512, 779), (608, 656)]