28411916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 57036000

約数和(自身を除く): 28624084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 149, 193, 247, 298, 386, 494, 596, 772, 988, 1937, 2509, 2831, 3667, 3874, 5018, 5662, 7334, 7748, 10036, 11324, 14668, 28757, 36803, 47671, 57514, 73606, 95342, 115028, 147212, 190684, 373841, 546383, 747682, 1092766, 1495364, 2185532, 7102979, 14205958, 28411916]

約数ペア:

[(1, 28411916), (2, 14205958), (4, 7102979), (13, 2185532), (19, 1495364), (26, 1092766), (38, 747682), (52, 546383), (76, 373841), (149, 190684), (193, 147212), (247, 115028), (298, 95342), (386, 73606), (494, 57514), (596, 47671), (772, 36803), (988, 28757), (1937, 14668), (2509, 11324), (2831, 10036), (3667, 7748), (3874, 7334), (5018, 5662)]