208047138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{619}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 466636800

約数和(自身を除く): 258589662

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 139, 186, 278, 403, 417, 619, 806, 834, 1209, 1238, 1807, 1857, 2418, 3614, 3714, 4309, 5421, 8047, 8618, 10842, 12927, 16094, 19189, 24141, 25854, 38378, 48282, 56017, 57567, 86041, 112034, 115134, 168051, 172082, 249457, 258123, 336102, 498914, 516246, 748371, 1118533, 1496742, 2237066, 2667271, 3355599, 5334542, 6711198, 8001813, 16003626, 34674523, 69349046, 104023569, 208047138]

約数ペア:

[(1, 208047138), (2, 104023569), (3, 69349046), (6, 34674523), (13, 16003626), (26, 8001813), (31, 6711198), (39, 5334542), (62, 3355599), (78, 2667271), (93, 2237066), (139, 1496742), (186, 1118533), (278, 748371), (403, 516246), (417, 498914), (619, 336102), (806, 258123), (834, 249457), (1209, 172082), (1238, 168051), (1807, 115134), (1857, 112034), (2418, 86041), (3614, 57567), (3714, 56017), (4309, 48282), (5421, 38378), (8047, 25854), (8618, 24141), (10842, 19189), (12927, 16094)]