72991388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{18121}}^1$

素因数の和:18197

約数の個数: 24

約数和(自身を含む): 137002320

約数和(自身を除く): 64010932

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 18121, 36242, 72484, 344299, 688598, 960413, 1377196, 1920826, 3841652, 18247847, 36495694, 72991388]

約数ペア:

[(1, 72991388), (2, 36495694), (4, 18247847), (19, 3841652), (38, 1920826), (53, 1377196), (76, 960413), (106, 688598), (212, 344299), (1007, 72484), (2014, 36242), (4028, 18121)]