72417904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348163}}^1$

素因数の和:348184

約数の個数: 20

約数和(自身を含む): 151103176

約数和(自身を除く): 78685272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348163, 696326, 1392652, 2785304, 4526119, 5570608, 9052238, 18104476, 36208952, 72417904]

約数ペア:

[(1, 72417904), (2, 36208952), (4, 18104476), (8, 9052238), (13, 5570608), (16, 4526119), (26, 2785304), (52, 1392652), (104, 696326), (208, 348163)]