1278071756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{402923}}^1$

素因数の和:403001

約数の個数: 24

約数和(自身を含む): 2448166224

約数和(自身を除く): 1170094468

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 402923, 805846, 1611692, 5237999, 10475998, 20951996, 24578303, 49156606, 98313212, 319517939, 639035878, 1278071756]

約数ペア:

[(1, 1278071756), (2, 639035878), (4, 319517939), (13, 98313212), (26, 49156606), (52, 24578303), (61, 20951996), (122, 10475998), (244, 5237999), (793, 1611692), (1586, 805846), (3172, 402923)]