219537136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 527966208

約数和(自身を除く): 308429072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 182, 208, 262, 364, 524, 728, 917, 1048, 1151, 1456, 1703, 1834, 2096, 2302, 3406, 3668, 4604, 6812, 7336, 8057, 9208, 11921, 13624, 14672, 14963, 16114, 18416, 23842, 27248, 29926, 32228, 47684, 59852, 64456, 95368, 104741, 119704, 128912, 150781, 190736, 209482, 239408, 301562, 418964, 603124, 837928, 1055467, 1206248, 1675856, 1960153, 2110934, 2412496, 3920306, 4221868, 7840612, 8443736, 13721071, 15681224, 16887472, 27442142, 31362448, 54884284, 109768568, 219537136]

約数ペア:

[(1, 219537136), (2, 109768568), (4, 54884284), (7, 31362448), (8, 27442142), (13, 16887472), (14, 15681224), (16, 13721071), (26, 8443736), (28, 7840612), (52, 4221868), (56, 3920306), (91, 2412496), (104, 2110934), (112, 1960153), (131, 1675856), (182, 1206248), (208, 1055467), (262, 837928), (364, 603124), (524, 418964), (728, 301562), (917, 239408), (1048, 209482), (1151, 190736), (1456, 150781), (1703, 128912), (1834, 119704), (2096, 104741), (2302, 95368), (3406, 64456), (3668, 59852), (4604, 47684), (6812, 32228), (7336, 29926), (8057, 27248), (9208, 23842), (11921, 18416), (13624, 16114), (14672, 14963)]