72321478

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{4327}}^1$

素因数の和:4527

約数の個数: 16

約数和(自身を含む): 111091104

約数和(自身を除く): 38769626

約数列:

[1, 2, 61, 122, 137, 274, 4327, 8357, 8654, 16714, 263947, 527894, 592799, 1185598, 36160739, 72321478]

約数ペア:

[(1, 72321478), (2, 36160739), (61, 1185598), (122, 592799), (137, 527894), (274, 263947), (4327, 16714), (8357, 8654)]