78213388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 155320704

約数和(自身を除く): 77107316

約数列:

[1, 2, 4, 11, 22, 43, 44, 67, 86, 134, 172, 268, 473, 617, 737, 946, 1234, 1474, 1892, 2468, 2881, 2948, 5762, 6787, 11524, 13574, 26531, 27148, 31691, 41339, 53062, 63382, 82678, 106124, 126764, 165356, 291841, 454729, 583682, 909458, 1167364, 1777577, 1818916, 3555154, 7110308, 19553347, 39106694, 78213388]

約数ペア:

[(1, 78213388), (2, 39106694), (4, 19553347), (11, 7110308), (22, 3555154), (43, 1818916), (44, 1777577), (67, 1167364), (86, 909458), (134, 583682), (172, 454729), (268, 291841), (473, 165356), (617, 126764), (737, 106124), (946, 82678), (1234, 63382), (1474, 53062), (1892, 41339), (2468, 31691), (2881, 27148), (2948, 26531), (5762, 13574), (6787, 11524)]