42615728

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 85307040

約数和(自身を除く): 42691312

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 167, 328, 334, 389, 656, 668, 778, 1336, 1556, 2672, 3112, 6224, 6847, 13694, 15949, 27388, 31898, 54776, 63796, 64963, 109552, 127592, 129926, 255184, 259852, 519704, 1039408, 2663483, 5326966, 10653932, 21307864, 42615728]

約数ペア:

[(1, 42615728), (2, 21307864), (4, 10653932), (8, 5326966), (16, 2663483), (41, 1039408), (82, 519704), (164, 259852), (167, 255184), (328, 129926), (334, 127592), (389, 109552), (656, 64963), (668, 63796), (778, 54776), (1336, 31898), (1556, 27388), (2672, 15949), (3112, 13694), (6224, 6847)]