208547456

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{125329}}^1$

素因数の和:125356

約数の個数: 32

約数和(自身を含む): 447428100

約数和(自身を除く): 238880644

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 125329, 250658, 501316, 1002632, 1629277, 2005264, 3258554, 4010528, 6517108, 8021056, 13034216, 16042112, 26068432, 52136864, 104273728, 208547456]

約数ペア:

[(1, 208547456), (2, 104273728), (4, 52136864), (8, 26068432), (13, 16042112), (16, 13034216), (26, 8021056), (32, 6517108), (52, 4010528), (64, 3258554), (104, 2005264), (128, 1629277), (208, 1002632), (416, 501316), (832, 250658), (1664, 125329)]