918631568

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1400353}}^1$

素因数の和:1400402

約数の個数: 20

約数和(自身を含む): 1823260908

約数和(自身を除く): 904629340

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1400353, 2800706, 5601412, 11202824, 22405648, 57414473, 114828946, 229657892, 459315784, 918631568]

約数ペア:

[(1, 918631568), (2, 459315784), (4, 229657892), (8, 114828946), (16, 57414473), (41, 22405648), (82, 11202824), (164, 5601412), (328, 2800706), (656, 1400353)]