1620892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 3596992

約数和(自身を除く): 1976100

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 73, 91, 122, 146, 182, 244, 292, 364, 427, 511, 793, 854, 949, 1022, 1586, 1708, 1898, 2044, 3172, 3796, 4453, 5551, 6643, 8906, 11102, 13286, 17812, 22204, 26572, 31171, 57889, 62342, 115778, 124684, 231556, 405223, 810446, 1620892]

約数ペア:

[(1, 1620892), (2, 810446), (4, 405223), (7, 231556), (13, 124684), (14, 115778), (26, 62342), (28, 57889), (52, 31171), (61, 26572), (73, 22204), (91, 17812), (122, 13286), (146, 11102), (182, 8906), (244, 6643), (292, 5551), (364, 4453), (427, 3796), (511, 3172), (793, 2044), (854, 1898), (949, 1708), (1022, 1586)]