28671342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 96

約数和(自身を含む): 72566784

約数和(自身を除く): 43895442

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 61, 62, 93, 114, 122, 133, 183, 186, 217, 266, 361, 366, 399, 427, 434, 589, 651, 722, 798, 854, 1083, 1159, 1178, 1281, 1302, 1767, 1891, 2166, 2318, 2527, 2562, 3477, 3534, 3782, 4123, 5054, 5673, 6954, 7581, 8113, 8246, 11191, 11346, 12369, 13237, 15162, 16226, 22021, 22382, 24339, 24738, 26474, 33573, 35929, 39711, 44042, 48678, 66063, 67146, 71858, 78337, 79422, 107787, 132126, 154147, 156674, 215574, 235011, 251503, 308294, 462441, 470022, 503006, 682651, 754509, 924882, 1365302, 1509018, 2047953, 4095906, 4778557, 9557114, 14335671, 28671342]

約数ペア:

[(1, 28671342), (2, 14335671), (3, 9557114), (6, 4778557), (7, 4095906), (14, 2047953), (19, 1509018), (21, 1365302), (31, 924882), (38, 754509), (42, 682651), (57, 503006), (61, 470022), (62, 462441), (93, 308294), (114, 251503), (122, 235011), (133, 215574), (183, 156674), (186, 154147), (217, 132126), (266, 107787), (361, 79422), (366, 78337), (399, 71858), (427, 67146), (434, 66063), (589, 48678), (651, 44042), (722, 39711), (798, 35929), (854, 33573), (1083, 26474), (1159, 24738), (1178, 24339), (1281, 22382), (1302, 22021), (1767, 16226), (1891, 15162), (2166, 13237), (2318, 12369), (2527, 11346), (2562, 11191), (3477, 8246), (3534, 8113), (3782, 7581), (4123, 6954), (5054, 5673)]