1778192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 3791424

約数和(自身を除く): 2013232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 103, 104, 166, 206, 208, 332, 412, 664, 824, 1079, 1328, 1339, 1648, 2158, 2678, 4316, 5356, 8549, 8632, 10712, 17098, 17264, 21424, 34196, 68392, 111137, 136784, 222274, 444548, 889096, 1778192]

約数ペア:

[(1, 1778192), (2, 889096), (4, 444548), (8, 222274), (13, 136784), (16, 111137), (26, 68392), (52, 34196), (83, 21424), (103, 17264), (104, 17098), (166, 10712), (206, 8632), (208, 8549), (332, 5356), (412, 4316), (664, 2678), (824, 2158), (1079, 1648), (1328, 1339)]