247964756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{78173}}^1$

素因数の和:78251

約数の個数: 24

約数和(自身を含む): 474985224

約数和(自身を除く): 227020468

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 78173, 156346, 312692, 1016249, 2032498, 4064996, 4768553, 9537106, 19074212, 61991189, 123982378, 247964756]

約数ペア:

[(1, 247964756), (2, 123982378), (4, 61991189), (13, 19074212), (26, 9537106), (52, 4768553), (61, 4064996), (122, 2032498), (244, 1016249), (793, 312692), (1586, 156346), (3172, 78173)]