208539318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{12671}}^1$

素因数の和:12900

約数の個数: 32

約数和(自身を含む): 451325952

約数和(自身を除く): 242786634

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 211, 422, 633, 1266, 2743, 5486, 8229, 12671, 16458, 25342, 38013, 76026, 164723, 329446, 494169, 988338, 2673581, 5347162, 8020743, 16041486, 34756553, 69513106, 104269659, 208539318]

約数ペア:

[(1, 208539318), (2, 104269659), (3, 69513106), (6, 34756553), (13, 16041486), (26, 8020743), (39, 5347162), (78, 2673581), (211, 988338), (422, 494169), (633, 329446), (1266, 164723), (2743, 76026), (5486, 38013), (8229, 25342), (12671, 16458)]