279354972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 711621120

約数和(自身を除く): 432266148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 169, 278, 338, 417, 507, 556, 676, 834, 991, 1014, 1668, 1807, 1982, 2028, 2973, 3614, 3964, 5421, 5946, 7228, 10842, 11892, 12883, 21684, 23491, 25766, 38649, 46982, 51532, 70473, 77298, 93964, 137749, 140946, 154596, 167479, 275498, 281892, 334958, 413247, 502437, 550996, 669916, 826494, 1004874, 1652988, 1790737, 2009748, 3581474, 5372211, 7162948, 10744422, 21488844, 23279581, 46559162, 69838743, 93118324, 139677486, 279354972]

約数ペア:

[(1, 279354972), (2, 139677486), (3, 93118324), (4, 69838743), (6, 46559162), (12, 23279581), (13, 21488844), (26, 10744422), (39, 7162948), (52, 5372211), (78, 3581474), (139, 2009748), (156, 1790737), (169, 1652988), (278, 1004874), (338, 826494), (417, 669916), (507, 550996), (556, 502437), (676, 413247), (834, 334958), (991, 281892), (1014, 275498), (1668, 167479), (1807, 154596), (1982, 140946), (2028, 137749), (2973, 93964), (3614, 77298), (3964, 70473), (5421, 51532), (5946, 46982), (7228, 38649), (10842, 25766), (11892, 23491), (12883, 21684)]