28081664

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4250

約数の個数: 40

約数和(自身を含む): 60438840

約数和(自身を除く): 32357176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 4219, 6656, 8438, 16876, 33752, 54847, 67504, 109694, 135008, 219388, 270016, 438776, 540032, 877552, 1080064, 1755104, 2160128, 3510208, 7020416, 14040832, 28081664]

約数ペア:

[(1, 28081664), (2, 14040832), (4, 7020416), (8, 3510208), (13, 2160128), (16, 1755104), (26, 1080064), (32, 877552), (52, 540032), (64, 438776), (104, 270016), (128, 219388), (208, 135008), (256, 109694), (416, 67504), (512, 54847), (832, 33752), (1664, 16876), (3328, 8438), (4219, 6656)]