81538184

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3613}}^1$

素因数の和:3670

約数の個数: 64

約数和(自身を含む): 194288640

約数和(自身を除く): 112750456

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 3613, 5642, 7226, 11284, 14452, 22568, 25291, 28904, 46969, 50582, 93938, 101164, 112003, 187876, 202328, 224006, 328783, 375752, 448012, 657566, 784021, 896024, 1315132, 1456039, 1568042, 2630264, 2912078, 3136084, 5824156, 6272168, 10192273, 11648312, 20384546, 40769092, 81538184]

約数ペア:

[(1, 81538184), (2, 40769092), (4, 20384546), (7, 11648312), (8, 10192273), (13, 6272168), (14, 5824156), (26, 3136084), (28, 2912078), (31, 2630264), (52, 1568042), (56, 1456039), (62, 1315132), (91, 896024), (104, 784021), (124, 657566), (182, 448012), (217, 375752), (248, 328783), (364, 224006), (403, 202328), (434, 187876), (728, 112003), (806, 101164), (868, 93938), (1612, 50582), (1736, 46969), (2821, 28904), (3224, 25291), (3613, 22568), (5642, 14452), (7226, 11284)]