2784366

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 6626256

約数和(自身を除く): 3841890

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 163, 219, 234, 326, 438, 489, 657, 949, 978, 1314, 1467, 1898, 2119, 2847, 2934, 4238, 5694, 6357, 8541, 11899, 12714, 17082, 19071, 23798, 35697, 38142, 71394, 107091, 154687, 214182, 309374, 464061, 928122, 1392183, 2784366]

約数ペア:

[(1, 2784366), (2, 1392183), (3, 928122), (6, 464061), (9, 309374), (13, 214182), (18, 154687), (26, 107091), (39, 71394), (73, 38142), (78, 35697), (117, 23798), (146, 19071), (163, 17082), (219, 12714), (234, 11899), (326, 8541), (438, 6357), (489, 5694), (657, 4238), (949, 2934), (978, 2847), (1314, 2119), (1467, 1898)]