1670656

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:282

約数の個数: 40

約数和(自身を含む): 3609144

約数和(自身を除く): 1938488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 251, 256, 416, 502, 512, 832, 1004, 1664, 2008, 3263, 3328, 4016, 6526, 6656, 8032, 13052, 16064, 26104, 32128, 52208, 64256, 104416, 128512, 208832, 417664, 835328, 1670656]

約数ペア:

[(1, 1670656), (2, 835328), (4, 417664), (8, 208832), (13, 128512), (16, 104416), (26, 64256), (32, 52208), (52, 32128), (64, 26104), (104, 16064), (128, 13052), (208, 8032), (251, 6656), (256, 6526), (416, 4016), (502, 3328), (512, 3263), (832, 2008), (1004, 1664)]