1994778258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:1103

約数の個数: 64

約数和(自身を含む): 4401146880

約数和(自身を除く): 2406368622

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 157, 311, 314, 471, 619, 622, 933, 942, 1238, 1727, 1857, 1866, 3421, 3454, 3714, 5181, 6809, 6842, 10263, 10362, 13618, 20427, 20526, 40854, 48827, 97183, 97654, 146481, 192509, 194366, 291549, 292962, 385018, 537097, 577527, 583098, 1069013, 1074194, 1155054, 1611291, 2117599, 2138026, 3207039, 3222582, 4235198, 6352797, 6414078, 12705594, 30223913, 60447826, 90671739, 181343478, 332463043, 664926086, 997389129, 1994778258]

約数ペア:

[(1, 1994778258), (2, 997389129), (3, 664926086), (6, 332463043), (11, 181343478), (22, 90671739), (33, 60447826), (66, 30223913), (157, 12705594), (311, 6414078), (314, 6352797), (471, 4235198), (619, 3222582), (622, 3207039), (933, 2138026), (942, 2117599), (1238, 1611291), (1727, 1155054), (1857, 1074194), (1866, 1069013), (3421, 583098), (3454, 577527), (3714, 537097), (5181, 385018), (6809, 292962), (6842, 291549), (10263, 194366), (10362, 192509), (13618, 146481), (20427, 97654), (20526, 97183), (40854, 48827)]