213621280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8191}}^1$

素因数の和:8369

約数の個数: 48

約数和(自身を含む): 507838464

約数和(自身を除く): 294217184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 8191, 13040, 16382, 26080, 32764, 40955, 65528, 81910, 131056, 163820, 262112, 327640, 655280, 1310560, 1335133, 2670266, 5340532, 6675665, 10681064, 13351330, 21362128, 26702660, 42724256, 53405320, 106810640, 213621280]

約数ペア:

[(1, 213621280), (2, 106810640), (4, 53405320), (5, 42724256), (8, 26702660), (10, 21362128), (16, 13351330), (20, 10681064), (32, 6675665), (40, 5340532), (80, 2670266), (160, 1335133), (163, 1310560), (326, 655280), (652, 327640), (815, 262112), (1304, 163820), (1630, 131056), (2608, 81910), (3260, 65528), (5216, 40955), (6520, 32764), (8191, 26080), (13040, 16382)]