172815545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 263208960

約数和(自身を除く): 90393415

約数列:

[1, 5, 7, 19, 31, 35, 83, 95, 101, 133, 155, 217, 415, 505, 581, 589, 665, 707, 1085, 1577, 1919, 2573, 2905, 2945, 3131, 3535, 4123, 7885, 8383, 9595, 11039, 12865, 13433, 15655, 18011, 20615, 21917, 41915, 48887, 55195, 58681, 59489, 67165, 90055, 109585, 159277, 244435, 259873, 293405, 297445, 342209, 416423, 796385, 1114939, 1299365, 1711045, 1819111, 2082115, 4937587, 5574695, 9095555, 24687935, 34563109, 172815545]

約数ペア:

[(1, 172815545), (5, 34563109), (7, 24687935), (19, 9095555), (31, 5574695), (35, 4937587), (83, 2082115), (95, 1819111), (101, 1711045), (133, 1299365), (155, 1114939), (217, 796385), (415, 416423), (505, 342209), (581, 297445), (589, 293405), (665, 259873), (707, 244435), (1085, 159277), (1577, 109585), (1919, 90055), (2573, 67165), (2905, 59489), (2945, 58681), (3131, 55195), (3535, 48887), (4123, 41915), (7885, 21917), (8383, 20615), (9595, 18011), (11039, 15655), (12865, 13433)]