293777421808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1439}}^1\times {\mathrm{1999}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 614960640000

約数和(自身を除く): 321183218192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 982, 1439, 1964, 1999, 2878, 3928, 3998, 5756, 6383, 7856, 7996, 11512, 12766, 15992, 18707, 23024, 25532, 25987, 31984, 37414, 51064, 51974, 74828, 102128, 103948, 149656, 207896, 299312, 415792, 706549, 981509, 1413098, 1963018, 2826196, 2876561, 3926036, 5652392, 5753122, 7852072, 9185137, 11304784, 11506244, 12759617, 15704144, 18370274, 23012488, 25519234, 36740548, 37395293, 46024976, 51038468, 73481096, 74790586, 102076936, 146962192, 149581172, 204153872, 299162344, 598324688, 1412391451, 2824782902, 5649565804, 11299131608, 18361088863, 22598263216, 36722177726, 73444355452, 146888710904, 293777421808]

約数ペア:

[(1, 293777421808), (2, 146888710904), (4, 73444355452), (8, 36722177726), (13, 22598263216), (16, 18361088863), (26, 11299131608), (52, 5649565804), (104, 2824782902), (208, 1412391451), (491, 598324688), (982, 299162344), (1439, 204153872), (1964, 149581172), (1999, 146962192), (2878, 102076936), (3928, 74790586), (3998, 73481096), (5756, 51038468), (6383, 46024976), (7856, 37395293), (7996, 36740548), (11512, 25519234), (12766, 23012488), (15992, 18370274), (18707, 15704144), (23024, 12759617), (25532, 11506244), (25987, 11304784), (31984, 9185137), (37414, 7852072), (51064, 5753122), (51974, 5652392), (74828, 3926036), (102128, 2876561), (103948, 2826196), (149656, 1963018), (207896, 1413098), (299312, 981509), (415792, 706549)]