1881776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 40

約数和(自身を含む): 4010160

約数和(自身を除く): 2128384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 83, 104, 109, 166, 208, 218, 332, 436, 664, 872, 1079, 1328, 1417, 1744, 2158, 2834, 4316, 5668, 8632, 9047, 11336, 17264, 18094, 22672, 36188, 72376, 117611, 144752, 235222, 470444, 940888, 1881776]

約数ペア:

[(1, 1881776), (2, 940888), (4, 470444), (8, 235222), (13, 144752), (16, 117611), (26, 72376), (52, 36188), (83, 22672), (104, 18094), (109, 17264), (166, 11336), (208, 9047), (218, 8632), (332, 5668), (436, 4316), (664, 2834), (872, 2158), (1079, 1744), (1328, 1417)]