256925838494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{41609}}^1$

素因数の和:41865

約数の個数: 64

約数和(自身を含む): 440232468480

約数和(自身を除く): 183306629986

約数列:

[1, 2, 13, 26, 31, 47, 62, 94, 163, 326, 403, 611, 806, 1222, 1457, 2119, 2914, 4238, 5053, 7661, 10106, 15322, 18941, 37882, 41609, 65689, 83218, 99593, 131378, 199186, 237491, 474982, 540917, 1081834, 1289879, 1955623, 2579758, 3087383, 3911246, 6174766, 6782267, 13564534, 16768427, 25423099, 33536854, 50846198, 60624313, 88169471, 121248626, 176338942, 210250277, 318766549, 420500554, 637533098, 788116069, 1576232138, 2733253601, 4143965137, 5466507202, 8287930274, 9881763019, 19763526038, 128462919247, 256925838494]

約数ペア:

[(1, 256925838494), (2, 128462919247), (13, 19763526038), (26, 9881763019), (31, 8287930274), (47, 5466507202), (62, 4143965137), (94, 2733253601), (163, 1576232138), (326, 788116069), (403, 637533098), (611, 420500554), (806, 318766549), (1222, 210250277), (1457, 176338942), (2119, 121248626), (2914, 88169471), (4238, 60624313), (5053, 50846198), (7661, 33536854), (10106, 25423099), (15322, 16768427), (18941, 13564534), (37882, 6782267), (41609, 6174766), (65689, 3911246), (83218, 3087383), (99593, 2579758), (131378, 1955623), (199186, 1289879), (237491, 1081834), (474982, 540917)]