678563756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:303

約数の個数: 96

約数和(自身を含む): 1385911296

約数和(自身を除く): 707347540

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 71, 92, 122, 131, 142, 244, 262, 284, 299, 524, 598, 793, 923, 1196, 1403, 1586, 1633, 1703, 1846, 2806, 3013, 3172, 3266, 3406, 3692, 4331, 5612, 6026, 6532, 6812, 7991, 8662, 9301, 12052, 15982, 17324, 18239, 18602, 21229, 31964, 36478, 37204, 39169, 42458, 56303, 72956, 78338, 84916, 99613, 103883, 112606, 120913, 156676, 183793, 199226, 207766, 213923, 225212, 241826, 367586, 398452, 415532, 427846, 483652, 567361, 735172, 855692, 1134722, 1294969, 2269444, 2389309, 2589938, 2780999, 4778618, 5179876, 5561998, 7375693, 9557236, 11123996, 13049303, 14751386, 26098606, 29502772, 52197212, 169640939, 339281878, 678563756]

約数ペア:

[(1, 678563756), (2, 339281878), (4, 169640939), (13, 52197212), (23, 29502772), (26, 26098606), (46, 14751386), (52, 13049303), (61, 11123996), (71, 9557236), (92, 7375693), (122, 5561998), (131, 5179876), (142, 4778618), (244, 2780999), (262, 2589938), (284, 2389309), (299, 2269444), (524, 1294969), (598, 1134722), (793, 855692), (923, 735172), (1196, 567361), (1403, 483652), (1586, 427846), (1633, 415532), (1703, 398452), (1846, 367586), (2806, 241826), (3013, 225212), (3172, 213923), (3266, 207766), (3406, 199226), (3692, 183793), (4331, 156676), (5612, 120913), (6026, 112606), (6532, 103883), (6812, 99613), (7991, 84916), (8662, 78338), (9301, 72956), (12052, 56303), (15982, 42458), (17324, 39169), (18239, 37204), (18602, 36478), (21229, 31964)]