209366912

素因数分解:

$2^7\times {\mathrm{401}}^1\times {\mathrm{4079}}^1$

素因数の和:4494

約数の個数: 32

約数和(自身を含む): 418240800

約数和(自身を除く): 208873888

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 401, 802, 1604, 3208, 4079, 6416, 8158, 12832, 16316, 25664, 32632, 51328, 65264, 130528, 261056, 522112, 1635679, 3271358, 6542716, 13085432, 26170864, 52341728, 104683456, 209366912]

約数ペア:

[(1, 209366912), (2, 104683456), (4, 52341728), (8, 26170864), (16, 13085432), (32, 6542716), (64, 3271358), (128, 1635679), (401, 522112), (802, 261056), (1604, 130528), (3208, 65264), (4079, 51328), (6416, 32632), (8158, 25664), (12832, 16316)]