639761738

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4673}}^1$

素因数の和:4827

約数の個数: 48

約数和(自身を含む): 1227654144

約数和(自身を除く): 587892406

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 127, 154, 254, 539, 889, 1078, 1397, 1778, 2794, 4673, 6223, 9346, 9779, 12446, 19558, 32711, 51403, 65422, 68453, 102806, 136906, 228977, 359821, 457954, 593471, 719642, 1186942, 2518747, 4154297, 5037494, 6528181, 8308594, 13056362, 29080079, 45697267, 58160158, 91394534, 319880869, 639761738]

約数ペア:

[(1, 639761738), (2, 319880869), (7, 91394534), (11, 58160158), (14, 45697267), (22, 29080079), (49, 13056362), (77, 8308594), (98, 6528181), (127, 5037494), (154, 4154297), (254, 2518747), (539, 1186942), (889, 719642), (1078, 593471), (1397, 457954), (1778, 359821), (2794, 228977), (4673, 136906), (6223, 102806), (9346, 68453), (9779, 65422), (12446, 51403), (19558, 32711)]